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Motion and Forces
Page 6
Questions (1,354)
1. A car decelerates at -3.8 without skidding when coming to rest on a level road. What would be its deceleration if the road is
3 answers
asked by
Laurie
790 views
A nuclear submarine leaves its base and travels at 23.5 mph. For 2.00 hrs it travels along a course 32.1 degrees north of west.
3 answers
asked by
Julian
604 views
A block initially at rest is allowed to slide
down a frictionless ramp and attains a speed v at the bottom. To achieve a speed
4 answers
asked by
Anonymous
3,123 views
The position of an object as a function of time is given by x = At2 – Bt + C, where A = 7.3 m/s2, B = 5.8 m/s, and C = 4.5 m.
3 answers
asked by
nicole
1,334 views
A)If a freight train can accelerate at 0.050 m/sec^2, how far must it travel to increase its speed from 2.0 to 8.0 m/sec? B) how
3 answers
asked by
MLB
1,701 views
A roller coaster is on a flat track heading towards an incline, moving at 5.90 m/s. After it has gone down the 78.0° incline
1 answer
asked by
kate
329 views
An athlete swims the length if 50m pool in 20s and makes the return trip to starting point in 22s.Determine the average speed
3 answers
asked by
Rose
973 views
Physics Question DYNAMICS: THE BRICKLAYER’S TALE
Answer it based on a letter. Dear Sir: I am writing in response to your
3 answers
asked by
Angelica
1,817 views
A car is traveling north along a straight road at 50 km/h. An instrument in the car indicates that the wind is coming from the
2 answers
asked by
Buma
1,076 views
A roller coaster starts from a deck at an elevation of 20 feet above the ground. On the first hill it climbs 78 feet and then
6 answers
asked by
Maddie
1,743 views
Place a coin on top of a sheet of paper on a desk or table. Pull the paper horizontally with a quick snap. What concept of
4 answers
asked by
alex
851 views
Boxes are moved on a conveyor belt from where they are filled to the packing station 11.3m away. The belt is initially
3 answers
asked by
Francis
1,090 views
A high-speed drill rotating ccw at 2300 rpm comes to a halt in 2.9 s .
3 answers
asked by
Anonymous
1,418 views
Which is the vector quantity that describes the shortest path between two points?
2 answers
asked by
maria
821 views
Suppose a car is traveling at +25.0 m/s, and the driver sees a traffic light turn red. After 0.564 s has elapsed (the reaction
3 answers
asked by
Anonymous
637 views
The rate of motion of the earth at its equator is about 1,038 mi/h because of its rotation. From this information, estimate the
3 answers
asked by
Robby
783 views
Two blocks with masses m1 = 1.20 kg and m2 = 2.90 kg are connected by a massless string, as shown in the Figure. They are
3 answers
asked by
Anonymous
672 views
A 2-kilogram ball is accelerated from rest to a speed of 8 m/sec. What is the ball`s change in momentum?
Looking for? Given?
3 answers
asked by
mya
1,376 views
A woman is riding a Jet Ski at a speed of 20 m/s and notices a seawall straight ahead. The farthest she can lean the craft in
3 answers
asked by
Anonymous
473 views
A circus performer begins his act by walking out along a nearly horizontal high wire. He slips and falls to the safety net, 25.0
3 answers
asked by
paul
885 views
A rock is dropped from a tree of height 20 m into a lake (depth 4.6 m) below. After entering the water, the rock floats gently
3 answers
asked by
Chapa
859 views
A 5.30kg bucket of water is accelerated upward by a cord of negligible mass whose breaking strength is 76.0N .If the bucket
3 answers
asked by
Anonymous
713 views
A ballistics pendulum is a device used to measure the speed of a fast moving projectile such as a bullet. A bullet of mass 5g is
3 answers
asked by
ZU
2,321 views
A 4 kg block slides along a frictionless horizontal with a speed of 5.1 m/s. After sliding a distance of 7 m, the block makes a
3 answers
asked by
Charles
1,349 views
a river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant
2 answers
asked by
suzanne
779 views
An antitank weapon fires a 3.0 kg rocket which acquires a speed of 50. m/s after traveling 90. cm down a launching tube.
3 answers
asked by
Hussen
1,815 views
Starting from rest, a 75 kg skier slides down a 17.0° slope. If the coefficient of kinetic friction between the skis
and snow is
3 answers
asked by
Ashley
1,587 views
A car travels in a straight line. The driver applies the brakes and comes to an abrupt stop. Durning braking, what happens to
3 answers
asked by
CD
1,021 views
A car with good tires on a dry road can decelerate at about 5.00m/s^2 when braking. If the car is traveling at 34.0m/s, how long
4 answers
asked by
Rebecca
608 views
A student drops a basketball into a pool from a height of 5 meters while a friend records the approximate splash height. They
3 answers
asked anonymously
46 views
a man jumps off a bridge to see how high it is. he measures his time of descent. he is in the air for 3 seconds before splashing
3 answers
asked by
sarah
765 views
A plane drops a hamper of medical supplies from a height of 5210 m during a practice run over the ocean. The plane’s
4 answers
asked by
John
1,316 views
I'm doing a project concerning space travel to Mars, and I need some help with calculations.
This is the description of the
4 answers
asked by
Nikki
1,031 views
A spring-loaded toy gun is used to shoot a ball of mass m= 1.50 kg straight up in the air. The spring has spring constant k =
3 answers
asked by
Anonymous
1,482 views
an extreme skier starting from rest, coasts down a mountain that makes an angle 25.0¨¬with the horizontal. The coeffiecient of
3 answers
asked by
sharon
2,254 views
As the time required to run up the stairs increases, the power developed by that person
Increases, decreases, or remains the
3 answers
asked by
Jim
3,497 views
A water skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of 17.9 m/s. As the drawing indicates, the
3 answers
asked by
Brandon
2,966 views
what is the initial velocity (Vyo) of a projectile launched horizontally? why?
i know that it is 0 m/s, but i don't know why/how
2 answers
asked by
beckii
1,025 views
A spelunker drops a stone from rest into a hole. The speed of sound is 343 m/s in air, and the sound of the stone striking the
4 answers
asked by
ajo
2,331 views
A block is released from rest on an inclined
plane and moves 3.1 m during the next 4.2 s. The acceleration of gravity is 9.8
1 answer
asked by
Abby
200 views
A stone is short art from a catapult with initial velocity of 30m/s at an elevation of 60°, fine time of flight.
3 answers
asked by
Michael Japheth
452 views
A hot air balloon pilot raises a balloon 200 m from the ground, turns off the burner, and allows the balloon to descend 60 m
4 answers
asked by
lyla wright
928 views
A body of mass 10 kg moving with velocity of 10m/s had hits a stationary body and had its direction reversed and velocity
3 answers
asked by
Anonymous
1,179 views
Please check my answers
A hammer is used to hit a nail into a board. Which statement is correct about the forces at play between
7 answers
asked by
Katy
3,503 views
George drops a stone from atop a cliff of 25m. How long does it take to hit the ocean below, what velocity is it travelling when
3 answers
asked by
Mariam
1,049 views
A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which
3 answers
asked by
James
1,058 views
A stone of mass 2.8kg is projected upward with a speed of 5m/s. calculate the maximum height reached. use g=10m/s square.
4 answers
asked by
Mawatta
454 views
On the map, let the +x-axis point east and the +y-axis north.
A)An airplane flies at 990 km/h northwestward direction (i.e.,
2 answers
asked by
Anonymous
1,212 views
The Speed Of A Train Is Reduced From 80km/h to 40km/h In A Distance Of 500m On Applying The Brakes Calculate (I) How Much
3 answers
asked by
Victoria
516 views
An airplane flies at 500km/hr, there is a wind kf 50.0km/h(N).if the pilot wants to fly due east, calculate the direction that
3 answers
asked by
Jaena MacCharles
587 views
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Parent Categories (18)
Classical mechanics
Dynamics
Engineering/Physics-Mechanics
Forces
Kinematics
Mechanics
Mechanics or Kinematics
Newton's Laws of Motion
Newtonian Mechanics
Physical Science
Physical Sciences
Physics
Physics and Mechanics
Physics and Sports
Science and Physics
Science/Earth Science
Science/Physics
Tennis