a) How far does the athlete travel in the first 1.0s? b) How long does it take the athlete to travel 120m? (use a graphical method) a) is 2.5m b) is 13s HOW...

a) How far does the athlete travel in the first 1.0s? b) How long does it take the athlete to travel 120m? (use a graphical method) a) is 2.5m b) is 13s HOW...

After being released from rest, the block slides along a smooth, horizontal and frictionless surface before colliding elastically with a 1.2 kg block which is at rest. (Assume the initial direction...

The bullet goes completely through the block and exits with a speed of one-half its initial speed. What is the velocity of the 700 g block after the bullet exits? After the collision, the...

Is it just mass of piano x gravity

A 5kg block is attached to a 2kg block by a rope. The 5kg block is pulled down a 30 degree ramp (with uk=.3) by an angled 30 newton force. Calculate the acceleration of the 5kg block and the tension...

The pump raises water to 0.75 m3/min from 6.0m deep well and gives the water a speed of 10 m/s. How much power pump motor takes electricity if the engine's efficiency is 0.75?

a)600kHz b)455kHz. C)10.7kHz d)1355kHz

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A contestant in a winter games event pushes a 48.0 kg block of ice across a frozen lake with a rope over his shoulder at a 25 degree angle. The coefficient of static friction is 0.1...

Hi, The water flowing in the tube is 30m/s and the cross-sectional diameter for the tube is 2.4cm. The shower hits the plate, which is transported in the water direction at 6.0 m / s. How...

Two metal balls are moving toward each other along the x axis with the same initial speed of 4.2 m/s. Ball A with 3 times the mass of ball B is moving to the right while Ball B is moving to the left...

A 0.45 kg fire-cracker is at rest when it explodes into four pieces. 1: 0.15 kg - 15 m/s due east 2: 0.075 kg - 20 m/s due west 3: 0.05 kg - 30 m/s due north 4: 0.175 kg...

find the magnitude of the car

In an exciting game, a baseball player manages to safely slide into second base. The mass of the baseball player is 88.9 kg and the coefficient of kinetic friction between the ground and the player...

For a huge luxury liner to move with constant velocity, its engines need to supply a forward thrust of 7.50 X 10^5 N. What is the magnitude of the resisting force exerted by the water (in N)...

Mary applies a force of 76 N to push a box with an acceleration of 0.60 m/s^2. When she increases the pushing force to 85 N, the box's acceleration changes to 0.87 m/s^2. There is a constant...

A rectangular coil of sides 9.00 cm and 12.5 cm contains 130 loops and its plane is positioned perpendicular to a uniform 0.64-T magnetic field. It is quickly and uniformly pulled from the field to...

if a cube is filled with an ideal gas to a pressure of 18.0 atm at 0°C(273K) and volume of the cube doubles and the temperature is raised to 25°C, what is the new pressure?

to continue the question If light travels 3.0 x 10 8 m in 1 second, how long is the Milky Way? Give your answer in standard form.

You push the merry-go-round so that it constantly accelerates from rest to a final speed of 1.7 rotations per second at the end of a 25 second interval. (please complete all questions using radians)A...