# A skier traveling 9.3 reaches the foot of a steady upward 16 incline and glides 11 up along this slope before coming to rest

49,758 results, page 17

### Physics

A block of mass 13.9 kg slides from rest down a frictionless 40.0° incline and is stopped by a strong spring with a spring constant 32.3 kN/m (note the unit). The block slides 7.80 m from the point of release to the point where it comes to rest against the spring. When the ...

### Physics

Two blocks are tied together with a string as shown in the diagram.(There is a block on a horizontal incline, its mass is 1.0kg, there is a rope connecting that block to a pulley which then connects to another block that is 2.0kg. The angle of the incline is 30 degrees) If ...

### Physics

A box of mass m=1.5 kg is attached to a spring with force constant k=12 and suspended on a frictionless incline that makes a 30 degree angle with respect to the horizontal. With the spring in its unstretched length, the box is released from rest at x=0. The box slides down the...

### physics

In a crash test, a truck with mass 2600 kg traveling at 24 m/s smashes head-on into a concrete wall without rebounding. The front end crumples so much that the truck is 0.66 m shorter than before. What is the average speed of the truck during the collision (that is, during the...

### PHYSICS

Kinetic Energy and the Work/Energy Theorem: 1.) How much kinetic energy does a 700-gram baseball have that is travelling at 20 m/s? What would be the kinetic energy if you doubled the mass? What would be the kinetic energy if you doubled the velocity? 3.How much work must ...

### physics

A car traveling at 90 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.72 m. What was the average acceleration of the driver during the collision? Express the answer in terms of "g's," where 1.00g = 9.80 m/s2

### Physics

A car traveling at 86 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.86 m. What was the average acceleration of the driver during the collision? Express the answer in terms of "g's," where 1.00g = 9.80 m/s2

### physics

A car traveling at 90 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.87 m. What was the average acceleration of the driver during the collision? Express the answer in terms of "g's," where 1.00g = 9.80 m/s2

### physics

A 20.0 kg box slides down a 12.0 m long incline at an angle of 3.0 degrees with the horizontal. A force of 50.0 N is applied to the box to try to pull it up the incline. The applied force makes an angle of 0.00 degrees to the incline. If the incline has a coefficient of ...

### physics

A 20.0 kg box slides down a 12.0 m long incline at an angle of 3.0 degrees with the horizontal. A force of 50.0 N is applied to the box to try to pull it up the incline. The applied force makes an angle of 0.00 degrees to the incline. If the incline has a coefficient of ...

### physicsssss

two blocks are connected over a pulley. The mass of block A is 10 kg and the coefficient of kinetic friction between A and the incline is 0.24. Angle èof the incline is 30°. Block A slides down the incline at constant speed. What is the mass of block B?

### PHYSICS

An object with a mass of 14kg lies on a frictionless incline. A rope attached to the mass runs parallel to the incline and is connected to a wall at the top of the incline. If the rope is considered to be in static equilibrium what is the tension of the rope in newtons?

### PHYSICS

A meter stick lies along the x-axis, centered at the origin. An upward force of 6.0 N is applied at x = 30 cm, and an upward force of 8.0 N is simultaneously applied at x = −40 cm. What is the net torque on the meter stick, taking into account usual sign conventions?

### Physics

Two blocks with masses M1=8.50kg and M2=1.40kg are attached by a thin string which goes over a frictionless, massless pulley. M1 slides on an incline and there is friction between M1 and the incline. The incline is at an angle of 23.0 degrees from horizontal. M2 travels down ...

### physics

A 83-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.2 m/s in 0.76 s. The elevator travels with this constant speed for 5.0 s, undergoes a uniform negative acceleration for 1.8 s, and then comes to rest...

### physics

The problem propmpts us with the info: "Two friends play with a card-board box on a grassy hill side. The boy in the box has a mass of 50.0 kg and the box has a mass of 5.00 kg. The incline of the hill is 44° and its height is 10 meter. Assume that friction plays a negligible...

### Physics

A girl coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.7 m/s. The coefficient of kinetic friction between runners and snow is 0.038, and the girl and sled together weigh 603 N. The acceleration of gravity is 9.8 m/s2 . How far does the ...

### algebra

18. Mr. Rogers wants to fence in a rectangular garden next to a straight section of the Scioto River. He has 330 feet of fencing to do the entire job. He doesn’t need fencing along the river, and there is a 4.5 foot wide clearance for a gate at one end. What are the ...

### physics

A solid ball and a hollow ball, each with a mass of 6 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 31°. An ice cube of the same mass slides without friction down the same ramp. What is the speed of the ice cube at the bottom of ...

### mechanics

Q3. A skeet (a small disc) of massM is fired at an angle  to the horizontal with a speed v0. When it reaches the maximum height it is hit from below by a pellet of mass m (m < M) traveling vertically upward at a speed of v. The pellet is embedded in the skeet. (a) What is ...

### physics

A gunman standing on a sloping ground fires up the slope. The initial speed of the bullet is v0= 390 m/s. The slope has an angle α= 19 degrees from the horizontal, and the gun points at an angle θ from the horizontal. The gravitational acceleration is g=10 m/s2. (a) ...

### Physics

A 50 kg crate is initially at rest on a plane inclined at an angle of 30 degrees to the horizontal. A man then pulls the crate up the incline via a rope that is parallel to the inclined plane. The tension that the man imparts to the rope is 100 N, and the coefficient of ...

### physics

An airplane with a speed of 46.4 m/s is climbing upward at an angle of 44° counterclockwise from the positive x axis. When the plane's altitude is 700 m the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly beneath the point...

### Science

An airplane with a speed of 27.4 m/s is climbing upward at an angle of 48° counterclockwise from the positive x axis. When the plane's altitude is 860 m the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly beneath the point...

### Physics - Check Answers ASAP

Could someone please check over my answers? I'm not very good at physics, and therefore am not sure if I got all of them correct. 1. A skier of mass 70.0 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 60.0 m up a 350 slope (ignore ...

### Physics

A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 40.0 vibrations in 27.0 s. A given maximum of the wave travels 455 cm along the rope in a time period of 10.0 s. What is the wavelength?

### science

A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 49.0 vibrations in 20.8 s. A given crest of the wave travels 402 cm along the rope in a time period of 14.9 s. What is the wavelength?

### Geometry/Algebra

What is the slope-intercept form of the equation y – 7 = –5/2 (x + 4)? y – 2 = –5/2(x + 2) y + 7 = –x + 5/2 y = –4/7+ 2 y = –5/2x – 3 (I keep coming up with y=5/2(x+4)+7 2. Distribute 5/2 y=(5/2x) + 10 + 7 3. Simplify. y=(5/2)x + 17 and it is not one of the ...

An aeroplane makes in emergency landing without landing gear. If the aeroplane touches down with a horizontal speed of 60.0ms^-1 and the coefficient of friction for aluminium on asphalt is μ = 0.500, how far will the aeroplane slide before coming to rest? You may assume that ...

### college physics

A 78-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.2 m/s in 0.74 s. The elevator travels with this constant speed for 5.0 s, undergoes a uniform negative acceleration for 1.8 s, and then comes to rest...

### physics

In the figure, two blocks are connected over a pulley. The mass of block A is 7.9 kg and the coefficient of kinetic friction between A and the incline is 0.18. Angle θ of the incline is 41°. Block A slides down the incline at constant speed. What is the mass of block B?

### Physics

A ball of mass 0.6 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker’s foot is 18 m/s at angle of 58◦ above the horizontal. The top of the fence is 10m high. The kicker’s ...

### Physics

Two cars approach along icy streets which meet at a right angle to one another. The cars collide and stick together. One car has a mass of 1200 kg and had a speed of 30 km/h in the +x direction before the collision. The second car has a mass of 1500 kg and was traveling in the...

### Physics

You have a grindstone (a disk) that is 92.0 kg, has a 0.490-m radius, and is turning at 83.0 rpm, and you press a steel axe against it with a radial force of 25.0 N. (a) Assuming the kinetic coefficient of friction between steel and stone is 0.50, calculate the angular ...

### physics

A car traveling at 120 strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.90 . What was the magnitude of the average acceleration of the driver during the collision? Express the answer in terms of "'s," where 1.00 = 9.80 .

### physics

A car traveling at 120 strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.90 . What was the magnitude of the average acceleration of the driver during the collision? Express the answer in terms of "'s," where 1.00 = 9.80 .

### physics

A car traveling at 100 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.85 m . What was the magnitude of the average acceleration of the driver during the collision? Express the answer in terms of "g's," where 1.00 g = 9....

### physics

a car is traveling at 40.0 m/s. the drivers sees an emergeny ahead and 0.50 s later slams on the brakes. the acceleration of the car is -4.0 m/s^2. a. what distance will the car travel before it stops? b. if the driver was able to apply the brakes instantaneously without a ...

### physics

A speeder traveling at a constant speed of 117 km/h races past a billboard. A patrol car pursues from rest with constant acceleration of (7.6 km/h)/s until it reaches its maximum speed of 175 km/h, which it maintains until it catches up with the speeder.(a) How long does it ...

### Dynamics

an 800 lb cannon fires a 5 lb cannonball in a horizontal direction. the cannon sits on a skid; the kinetic coefficient of friction between the skid and the horizontal surface is .25. if the cannonball has a speed of 650 ft/s when it leaves the cannon, determine a) the recoil ...

### Physics

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a constant acceleration of 3...

### Physics - Waves

A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 40.0 vibrations in 30.0 s. A given crest of the wave travels 425 cm along the rope in a time period of 10.0 s. What is the wavelength?

### physics

A harmonic wave is traveling along a string. If the oscillator that generates the wave completes 23 vibrations in 18.50 seconds and if it takes a crest 20.21 seconds to travel 168 cm along the rope. What is the wavelength of the wave? Answer in cm.

### science

a bicyclist and his bike have a combined mass of 105 kg. He is traveling at 15.0 m/s along the path when he sees a fallen tree 4 m in front of him. In order to stop before hits the tree, find the boy's minimum acceleration and the minimum force that must be applied. Thank You...

### physics

a skater with an initial speed of 7.60m/s is gliding across the ice. air resistance is negligible. (a)the coefficient of kinetic friction between the ice and the skate blades is 0.100. find the deceleration caused by kinetic friction. (b)how far will the skater travel before ...

### Math

The velocity time graph shows the movement of a particle alobg a straight line. The particle passes a point, A, when t=0. It maontains a constant spee, u ms -1, for T seconds and then decelerates uniformly before coming to rest at B. If the average speed for the qhole movement...

### physics

a 1.0kg ball is thrown upward from 1.0m above the ground with a speed of 10m/s reaches a height of 4.5 m. what is the efficiency of the energy transformation?

### help

A. A light plain is coming in for a landing at a speed of 100 km/hr. The wheels have zero rotation just before touching the runway. If 1/10 the weight of the plane is maintained by the upward force of the runway for the first second, what is the approximate length of the skid ...

### Physics

A centrifuge in a medical laboratory rotates at an angular speed of 3500 rpm (revolutions per minute). When switched off, it rotates 70.0 times before coming to rest. Find the constant angular acceleration of the centrifuge. (Assume the initial direction of rotation is the ...

### Physics

A car of mass 1550 kg is travelling at 75.0 km/h on a dry horizontal concrete surface when the driver applies the brakes licking the wheels. (a) How far does the car travel before coming to rest? (b) How long does it take the car to stop after the driver applies the brakes? ...

### Physics

Starting from rest, a 1.7x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.44 N on it. This force does 2.4x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...

### physics

Starting from rest, a 2.1x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.37 N on it. This force does 1.5x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...

### Physics

Starting from rest, a 2.4x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.42 N on it. This force does 1.5x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...

### physics

Starting from rest, a 2.4x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.42 N on it. This force does 1.5x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...

### Math

How do you get a slope if you only have the y-intercept. example: (0,5) and (-3, -4) To find slope: slope = (y2 - y1) / (x2 - x1) With your values: slope = (-4 - 5) / (-3 - 0) = -9/-3 = 3 I hope this will help and is what you were asking.

### math

2 airplanes start at the same time from airports 500 km apart. Each flies with an airspeed of 200 km/hr toward the other airport. One reaches its airport half an hour before the other plane reaches the other airport. How fast is the wind blowing?

### COLLEGE PHYSICS

a 58kg skier is coasting down a 25degree slope with a kinetic friction force of 70N. initial speed is 3.6 m/s and distance traveled is 57m. find final velocity? i need some help on this i don't know where to start. i know W=F x cos theta x distance is the anwser 266.27?

### pre algebra help

A company is making two types of aluminum containers. One is a cylinder with a height of 1.25 feet and a diameter of 1 foot. The other is a rectangular prism with a length of 0.75 foot, a width of 0.75 foot, and a height of 1 foot. Aluminum costs \$.02 per square foot. How much...

### pre algebra

A company is making two types of aluminum containers. One is a cylinder with a height of 1.25 feet and a diameter of 1 foot. The other is a rectangular prism with a length of 0.75 foot, a width of 0.75 foot, and a height of 1 foot. Aluminum costs \$.02 per square foot. How much...

### pre algebra

A company is making two types of aluminum containers. One is a cylinder with a height of 1.25 feet and a diameter of 1 foot. The other is a rectangular prism with a length of 0.75 foot, a width of 0.75 foot, and a height of 1 foot. Aluminum costs \$.02 per square foot. How much...

### Physics

PLEASE help! This is due tomorrow, and I really need to know how to do it. A ball of mass 0.6 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker’s foot is 18 m/s at angle of 58&#...

### physics college

A body is dropped from the rooftop of a building.The body reaches the ground at t= 4.05 from the point of release.How tall is the building?What is the speed of the body just before it reaches the ground?

### Physics

A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 50.0 vibrations in 26.6 s. A given crest of the wave travels 355 cm along the rope in a time period of 12.1 s. What is the wavelength? Answer in units of m

### physics

A speeder traveling at a constant speed of 125km/h races past a billboard. A patrol car pursues from rest with constant acceleration of (8.0km/h)/s until it reaches its maximum speed of 190km/h, which it maintains until it catches up with the speeder. (a) How long does it take...

### physics

A truck is traveling with a uniform velocity 24 m/s, when it passes a car at rest, at this instant the car starts to move and accelerate at the rate of 6m/s^2 in the same direction as the truck. a.) How long will it take the car to overtake the truck b.) How fast will the car ...

### physics

i need help setting up the equation. do i break up the problem into two parts? thanks in advance. A 3 kg block travels along a horizontal surface with a coefficient of kinetic friction of 0.18 at a speed of 7 m/s. After sliding a distance of 1.8 m the block makes a smooth ...

### PHYSICS

A car traveling 95 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.80 m . What was the magnitude of the average acceleration of the driver during the collision? Express the answer in terms of "g's," where 1.00g=9.80m/s2.

### Physics

A sled rests at the top of a 25 degree slope that is 80m in length. If uk = .25 and the velocity at the bottom of the incline is 20m/s then what is the weight of the sled?

### physics

A mass is given an initial velocity up a frictionless 28 deg. incline and reaches a vertical hight of 1.35m. What was the initial velocity?

### physics

a cyclist does work at the rate of 500w while riding. how much force does her foot push with, when she is traveling at 8.0 m/s?

### Physics

In a circus performance, a monkey on a sled is given an initial speed of 3.2 m/s up a 31° incline. The combined mass of the monkey and the sled is 20.7 kg, and the coefficient of kinetic friction between the sled and the incline is 0.20. How far up the incline does the sled ...

### Physics

In a circus performance, a monkey on a sled is given an initial speed of 3.2 m/s up a 31° incline. The combined mass of the monkey and the sled is 20.7 kg, and the coefficient of kinetic friction between the sled and the incline is 0.20. How far up the incline does the sled ...

### physics

In a circus performance, a monkey on a sled is given an initial speed of 4.0 m/s up a 32° incline. The combined mass of the monkey and the sled is 19.1 kg, and the coefficient of kinetic friction between the sled and the incline is 0.20. How far up the incline does the sled ...

### Math Surveying

Hey, Need some help working these 3 problems. I have the answers but I'm having problems working them. Thank you in advance. The slope measurement between two points is 25.333 m and the slope angle is 1°50. Compute the horizontal distance. A distance of 177.50 ft was measured...

### Physics

A massless spring, with K=425 N/m, is hung vertically with the bottom end of the spring at position Y.i. A 3.50 kg mass is attached to the bottom of the spring and allowed to fall and oscillate. A) How far below Y.i does the mass fall before coming momentarily to rest and ...

### physics

Matt Ashell, world famous downhill skier, waxed his skis with the wrong kind of wax and ended up with a relatively high coefficient of friction of 0.40. If Matt, who weights 667.5 N is on a downhill slope of 38 degrees, will he slide without a push?

### physics

A harmonic wave is traveling along a rope. The oscillator that generates the wave com- pletes 44.0 vibrations in 26.9 s. A given crest of the wave travels 359 cm along the rope in a time period of 11.6 s. What is the wavelength? Answer in units of m.

### physics

A harmonic wave is traveling along a rope. The oscillator that generates the wave com- pletes 46.0 vibrations in 26.5 s. A given crest of the wave travels 351 cm along the rope in a time period of 12.5 s. What is the wavelength? Answer in units of m

### physics

A harmonic wave is traveling along a rope. The oscillator that generates the wave com- pletes 48.0 vibrations in 25.8 s. A given crest of the wave travels 413 cm along the rope in a time period of 10.5 s. What is the wavelength? Answer in units of m

### physics

A crate of mass m (=40 kg) is placed at rest on a (frictionless) inclined plane, which has an angle (= 30o) above horizontal. a.) The force of gravity on the crate is: b.) The normal force on the crate is: size: N c.) The net force on the crate is: size: N direction: d.) How ...

### physics

A body is dropped from the rooftop of the building.The body reaches the ground at t= 4.05 from the point of release.how tall is the building?what is the speed of the body just before it reaches the ground?

### physics

For a simple 15 upward ramp, what length would be needed for a runaway truck traveling 140 ?

### physics

A 1kg mass is suspended from a vertical spring with a spring constant of 100 N/m and the equilibrium position is noted. The spring is then pushed upward (compressed) a distance x=10 cm before the mass is released from rest. How fast will the block be moving when it passes ...

### Math

Which of the following is TRUE about the line through the points (–1, 4) and (–1, 2)? Please EXPLAIN/SHOW WORK. A. The slope is undefined B. The slope is negative C. The slope is 0 D. The slope is positive

### Dynamics

a 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. if the driver wishes to stop his car in a distance of 5m, determine the frictional force at pavement which must be supplied by rear wheels

### Dynamics

1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. if the driver wishes to stop his car in a distance of 5m, determine the frictional force at pavement which must be supplied by rear wheels

### dynamics

a 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s if the driver wishes to stop his car in a distance of a 5m, determine the frictional force at pavement which must be supplied by rear wheels.

### Dynamics

A 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.

### Dynamics

A 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.

### Calculus - Optimization

A fence is to be built to enclose a rectangular area of 800 square feet. The fence along 3 sides is to be made of material \$4 per foot. The material for the fourth side costs \$12 per foot. Find the dimensions of the rectangle that will allow for the most economical fence to be...

### Physics

An 7.5 crate is pulled 5.4 up a 30 degree incline by a rope angled 19 degrees above the incline. The tension in the rope is 130N and the crate's coefficient of kinetic friction on the incline is 0.24. How much work is done by tension? by gravity? by the normal force?

### Physics

A solid ball and a hollow ball, each with a mass of 2 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 44°. An ice cube of the same mass slides without friction down the same ramp. What is the speed of the ice cube at the bottom of ...

### Physics

Starting from rest, a 1.7x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.45 N on it. This force does 1.9x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...

### physics

A 220-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 525 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the coefficient of static friction ...

### physics

A 214-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 541 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the coefficient of static friction ...

### Physics

A 59.5 kg person, running horizontally with a velocity of +3.90 m/s, jumps onto a 12.2 kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. (b) The sled and person coast 30.0 m...

### algebra 2

Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2+32t + 28, where t is the time in seconds. a. What is the maximum height that the arrow reaches? b. How long does it ...

### Algebra 2

Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2+32t + 28, where t is the time in seconds. a. What is the maximum height that the arrow reaches? b. How long does it ...

### Physics

A 3.0-kg cart is rolling along a frictionless, horizontal track towards a 1.2-kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certain instant before the carts ...

### physics

A 2.4-kg cart is rolling along a frictionless, horizontal track towards a 1.3-kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certain instant before the carts ...