Math/Physics

206,302 results, page 71

Science Physics

How many Btu of heat must be added to 1200 lb of copper to raise its temperature from 100°F to 450°F

physics

car doing 60 mph and skids for 52.3 meters what is the speed at end of skid co/friction is 0.693 urgent help please

physics

a50g ball is hit to roll by a force of 100N.it rolls over 20m.what was its initial speed

Hurricane Project for Physics Class

1) Please describe the typical path(s) for hurricanes. Is this part of the pattern of convection?

Physics

A ball starts 1.175 meters off the ground and shot at an angle of 40 degrees with a velocity of 3.2 m/s. Where does it land?

physics

what is the t shirts vertical componet of its velocity at launch? if it launches straight at 45° above the horizontal plane at 141 /s?

Physics

A red flower seen in the light of mercury vapour lamp through a green filter will appear?

physics

with a cart of unknown mass, could you still determine whether its total energy is conserved? explain your reasoning

Physics

An aircraft landing on an aircrafts carrier is brought to a complete stop from an initial of 215km/h in 2.7 seconds. What is its acceleration in m/s2?

Physics

An aircraft landing on an aircrafts carrier is brought to a complete stop from an initial of 215km/h in 2.7 seconds. What is its acceleration in m/s2?

physics

A proton moves with a velocity V (2i - 4 j + k) m / s in a region where the field is given by B = (i + 2 j -3k) T . What is the magnitude of the magnetic force experienced by the load?

physics

How much power is developed by a jumbo jet that cruises at 250 m/s. When the trust of its engine is 100,000N?

physics

The mass of a pendulum moves a total horizontal distance of 14cm in one cycle. What is the amplitude of the vibration?

Physics

The brakes of a bike (with a person) having a mass of 63 kg, reduces it's velocity from 8.5 m/s to 0 m/s in 3.0 seconds. What is the magnitude of braking force?

AP physics

An object undergoes a displacement x while a force F acts on it. If F does zero work, then the angle between F and x must be

physics

Calculate the half-life of a radioactive substance that decays by a factor of 3 in concentration every 1 million years

Physics

Find the component form of ⃗v given a magni- tude of 9 and an angle of θ = 90◦ with positive

Physics

A block of mass 8.1 kg is pulled to the right by an applied force of 76.2 N. If the acceleration is 0.84 m/s^2, how much friction must be present?

physics

to view full image of an object 160 cm high, the minimum size of the plane mirror required is?

Physics

A person weighing 900 Newtons is standing on snowshoes. Each snowshoe has an area of 2500cm^2. What is the pressure on the snow?

Physics

An object is thrown with speed of 17 m/s at an angle of 550. find the time it takes to reach its maximum height.

physics

A ball rolls off a 1.40 m high table with an initial horizontal speed of 0.600 m/s. How far will it land?

PHYSICS

without air resistance maximum range of projectile is obtained with an angle of ???? Can you please fill in the blank THANK YOU

Physics

Find the potential energy of a system often point charges. 7nC and 2nC separated by 0.03m

physics

when two lenses of focal length +10cm and -5cm are placed in contact then find the net power ?

College Physics

A 750 kg rocket accelerates straight upward from the ground at 60 m/s2. What is the force (thrust) provided by the engine?

Physics

Michael Jordan’s vertical leap was measured to be 122 cm. What was his takeoff speed, and how long would he be in the air?

fristyear physics

two girls a and b weighting 40 and 30 kg both of them pull 14m held by them.they will meet when covers a distance of?

physics

a small marble of negligible dimensions and of the mass 1.1kg is placed at a point A of a smooth frictionless circular

Physics

A baseball is thrown horizontally from a height of 3.6 meters at a speed of 24 m/sec. How far will it travel along the ground?

physics

A steel ball with a mass of 0.65 kg is swinging in a circle with a radius of 1.3 meters at a speed of 17m/s. What is the centripetal force?

physics

A motorcycle of mass 350kg has an acceleration of 3m/s when the resistance against motion is 200N.Calculate the force required

physics

A 4.40kg bucket of water is accelerated upward by a cord of negligible mass whose breaking strength is 74.0N

Physics

A motor cyclist travelling at 12m/s decelerate at 3m/s(squared)? How far does he travel while coming to rest?

physics

Why is parallax method not useful for measuring the distances of stars more than 100 light years away?

physics

A 102-kg man stands in an elevator that has an upward acceleration of 4.1 m/s2. The magnitude of the force exerted by him on the floor is about (g = 10 m/s2):

Physics

a boy whose weight is 600 N runs up a flight of stairs 10 m high in 12 second .What is his average power?

physics

A rocket is fired with an initial velocity of 200m/s at an angle of 60' to the horizontal.Find (1)the maximum height reached.

physics

In a tug of war match, each side pulls with a force of 500N, but the rope does not move. How much work is done?

Physics

Two point charges of magnitude 2.0 X 10^-7 C and 85 X 10^-8 C are placed 12 cm apart .What is the field intensity of each charge at the site of other ?

Physics

A tyre is suddenly brust when it was pumped to a presure of 4 atm at 20 degree celsius. Calculate the final temperature.

physics

Compute the electric field about a uniformly charged plane sheet using gauss law.

physics

Consider the static equilibrium diagram below. What is the net force acting along the positive x-axis?

Physics

A bolt requires tightening to a torque of 98 N-m. If a wrench is 28 cm long, what perpendicular force should be applied at its end?

Physics

a 50 g marble is released from a height 1 m above the floor. Calculate its momentum just before hitting the ground

physics

What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 10.5 m/s when going down a slope for 3.18 s?

Physics

are water waves at the beach with a velocity of 1.75m/s and a wavelength of 3.213 and frequency of 1/1.84Hz considered fast?

physics

two trains are moving towards each other with velocitied u1 and u2 see that the distance between them is x.the condition for them to not collide is

Physics

What is the momentum of a 54 kg ball just before it hits the ground when it is dropped from a height of 1.4m? What formulas should I use?!

TVTC

Physics...a diver of mass m drops from a board of 10m above water surface. find his speed at 5m

physics

A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.20*10^5 M/s^2 for 8.10*10^-4 s what is its muzzle velocity

Physics

Inside a metal conductor, why is it not possible to have a static charge configuration if there is a net electric field?

Physics

How high will you be when you stop rising if you jump upward with an initial vertical speed of 2 m/s? Answer to the nearest 0.1 m, and use g = 9.80 m/s2.

physics

if two forces 10N and 20N are inclined at angle 60degree to each other. Find the resultant force.

Physics

A red colored ball tossed upward reaches a maximum height of 3.0m. show that the initial speed is 7.7m/s^2.

*physics*

what is the smallest time in which a 9.00kW motor can lift a 3500 kg elevator to a height of 9.50m? use 10m/s^2 as g.

Physics

Determine the stopping distances for a car with an initial speed of 93 km/h & human reaction time of 0.80 s, for an acceleration a=−4.0m/s2.?

Physics

What is the power of an engine that pulls a 1000kg automobile at a steady speed of 10m/s along a level road?

physics

suppose that the two person,each of mass 100kg are 3meter a part in outer space.what is the magnitude of the gravitational

physics

A duck waddles 2.3m east and 7.0m north. what are the magnitude and direction of the ducks displacement with respect to its original position?

physics

how do you plot T2 2.14, 2.10, 2.08, 2.03, 2,20 and 2.30 and length .445, .54m, .497m, .50m, .53m and .555m on a graph and how do you find the gradient

physics

Calculate the speed of a satellite moving in a stable circular orbit about the Earth at a height of 4800 km.

Physics

A car going 50 m/s undergoes an acceleration of 2 m/s^2 for 6 seconds what is the final velocity ? How far did it travel while it was accelerating?

lighthouse christian college

Wich career can I take when I took english,afrikaans,lo,physics and pure maths?

Physics

The truck of a passenger car applies brakes at a velocity of 30 m/s and comes to rest 5 seconds later. What is the deceleration?

AP Physics

How fast (in rpm) must a centrifuge rotate if a particle 6.0 cm from the axis of rotation is to experience an acceleration of 130000 g's

physics

If you push a box for a distance of one meter with a force of 4,187 newtons How many calories have you used?

Physics (Heat)

Sitting under the fan on a hot day makes us feel cool.why? Give reason

physics

three forces of 10N,30N and 50N act at a point at 120° to each other.Find their resultant.

Physics

What mass must be added to 0.9kg trolly to give it an,acceleration of0.4m² when a 0.6n force is applied to it?

Physics

How many electrons pass a given point in the circuit in 17 minutes? The fundamental charge is 1.602•10^-19. And the current is 0.526315789

Physics

How many electrons pass a given point in the circuit in 17 minutes? The fundamental charge is 1.602•10^-19. And the current is 0.526315789

pure maths, agriculture,life sciences, physics

i want to know what does those subject i choose fall under which career

physics

calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where s=0.072N/m.

physics

calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where S=0.072N/m

Physics

Calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one where s=0.072N/m.

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

is the mechanical energy of a teflon coated block sliding down a rough incline remaining constant?

PHYSICS:

A boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10 cm high in 10 seconds.what is his power?

physics

two equal vectors of magnitude 2A are inclime perpendicular to each other find the resultant and direction of vector.

physics

what is the electric flux through a sphere that has a radius of 2.2m and carries charge of 5.3 micro couloumb at its centre? solution

physics

How many hour will it take for a Bus to travel 1000 km. If it travels at an average velocity of 80 km/hr. assume constant acceleration.

physics

A bob of a pendulum 100cm long swings through 20cm,find theta in radian and degree

physics

Which of the following prefixes will multiply the unit by 1,000? Select one: a. Milli b. Mega c. Kilo d. Centi

physics

a galvanometer has a resistance 60 ohm and is of 5mA full scale deflection.how would you modify it so as to get 0-10V voltmeter

physics

a ball of mass 0.1 is thrown up with an initial velocity of 80m/s calculate the potential energy half way up

physics

please help The power rating of an electric motor which draws a current of 5 amperes from a 240-volt line is? a. 12.0 kW b. 1.2 kW c. 48.0 kW d. 4.8 kW

Physics

A pan filled with hot food cools from 94°C to 86°C in 2minutes when the room temperaturs is at 20°C .How long will it take to cool from 71°C to 69°C ?

11 physics

a20Kg box is suspended from the ceiling by arope that weighs 1Kg . find the tension at the top of the rope.

Physics projectile

If a body projected vertically upwards, give a graph showing variation in its kinetic energy

Physics

A car starts to move nd accelerated at 4m/s2 for 8 seconds (u=0 V=32m/s a=4 m/s2 t=8) How fast is it moving? How far does it travel in this time?

Physics

As the passenger cars are launched from rest at the start, they are accelerated uniformly to a speed of 57 m's (128 mph) in just 3.5 s.

physics

a stone of mass 50g is released from rest, Calculate it's kinetic energy after 6s from the beginning of the motion

Physics

A stone is dropped into a bore well 490m deep.after how time,the sound of splash of will be heard

Physics

A stone is dropped into a bore well 490m deep.after how time,the sound of splash of will be heard

Physics

When light passes from one medium to another then which of the following parameters may change? Velocity, frequency, colour or wavelenght?

Physics

Find the speed of a pendulum bob at the bottom of its swing if its initial displacement is 5.34o and its period is 2.534 s.

physics

A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.

physics

A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.

Physics

What is the pressure at a depth of 80 m in the ocean? The density of seawater is 1. 03 × 10 3kg/m3. Please express your answer in units of atm.

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