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A 30-kg shopping cart full of groceries sitting at the top of a2.0-m hill begins to roll until it hits a stump at the bottom ofthe hill. Upon impact, a 0.25-kg can of peaches flies horizontallyout of the shopping cart and hits a parked car with an an averageforce of 490N. How deep is the dent made in the car?
A gas is allowed to expand isothermally until it reaches its final volume and its pressure is 2.97 atm. Find the heat absorbed by the gas during this process
A large parallel plate capacitor has plate separation of 1.01 cm and plate area of 231 cm2. How much work is done on the capacitor as the plate separation is increased to 2.02 cm
A ball of mass 0.5 kg flies through the air at low speed, so that air resistance is negligible. What is the net force acting on the ball while it is in motion
A 5.60 kg of mass is pressed against a spring with a spring constant of 12500 N/m. what potential energy is stored in the spring before the mass if released
A net force that is quadratically increasing in time is applied to an object. What is time dependence of the object's kinetic energy
What is the total negative charge, in Coulombs, of all the electrons in a small 0.750 g sphere of carbon
A playground is on the flat roof of a city school, 5.9 m above the street below (see figure). The vertical wall of the building is h = 7.40 m high, Find the speed at which the ball was launched
Illustrate what is the velocity of the second block after the bullet imbeds itself? (b) Find the ratio of the total kinetic energy after the collision to that before the collision.
You are working in a shoe test lab measuring the coefficient of friction for tennis shoes on a variety of surfaces. What is the coefficient of dynamic friction between the shoe and the material
A high driver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting at rest. what average upward force did the water exert on her
2.5 kg of water undergoes an isothermal, reversible process beginning at 100°C, saturated liquid and ending at 1.0 MPa. Find the change in specific entropy of the water
Unpolarized light with an average intensity of 845 W/m2 enters a polarizer with a vertical transmission axis. What is the orientation angle of the second polarizer relative to the first one
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