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1. A car with an initial velocity of 4.0m/s accelerates at a rate of 2.0 m/s^2 for 10.0s. How far does the car travel during this time?
2. A 2.00 kg rock is dropped from rest down a deep well that has a depth of 49.0m how long does it take the rock to fall to this depth? 3. If you throw a ball vertically upwards with an initial velocity of 20.0m/s (what is the maximum height reached)(how long is hte ball in the air if it returns to the launch point)
A tenth of a ring of charge has charge density ?. What is the electric field at the center of the ring
Consider a series RLC circuit with R = 15 , L = 184 mH, C = 75 µF, and a maximum voltage of 141 V. What is the resonance frequency of the circuit
The alpha line in the Balmer series of the hydrogen spectrum consists of light having a wavelength of 6.56 ×10-7 meter. Compute the frequency of this light.
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. Calculate the mass of the aluminum cup
A student is trying to decide what to wear. His bedroom is at 17.0°C. His skin temperature is 36.0°C, Find the net energy loss from his body by radiation in 10.7 min
A ball with mass m = 0.170 kg and kinetic energy K1 = 2.17 J collides elastically with a second ball of thesame mass that is initially at rest. find the kinetic energy of the first ball after the collision
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles when they are 5.60 10-15 m apart
A graph depicts force versus position. What represents the work done by the force over the given displacement?
A singly ionized helium atom (He+) has only one electron in orbit about the nucleus. What is the radius of the ion
Suppose a spacecraft of mass 28000kg is accelerated to 0.25c, How much kinetic energy would it have
A 2.0-kg mass moves with a speed of 5.0 m/s. It collides head-on with a 3.0 kg mass at rest. If the collision is perfectly inelastic, what is the speed of the masses after the collision
A wheeled cart with a mass of 0.50 kg is rolling along a horizontal track at a constant velocity of 2.0 m/s when it experiences an elastic collision with a second identical cart that is initially at rest, What is each card doing after the second co..
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