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Question: A model rocket flies upward at constant acceleration, and undergoes a displacement of 15.0 m during its first 0.25s of travel.
Part A: What was its speed at the end of the fist 0.25s?
Please show all steps to determine its speed at the end of the fist 0.25s.
A 4.22 box sits at rest at the bottom of a ramp that is 7.74 long and that is inclined at 40.0 above the horizontal. The coefficient of kinetic friction is 0.40, and the coefficient of static friction is 0.50.
An insulated beaker by negligible mass contains liquid water by a mass of 0.315kg and a temperature of 65.8C. How much ice at a temperature of -15.0C should be dropped into the water so that the final temperature of the system will be 28.0C?
the charge on a capacitor increases by 16mu c when the voltage across it increases from 92v to 127v . what is the
A 26 µF capacitor and a 5.50 mH inductor are connected in series with an open switch. Determine the angular frequency of the charge oscillations in the capacitor after the switch is closed
An outfielder throws a baseball with an initial speed of 10m/s. An infielder catches the ball at the level 1m lower. Ignore air resistance and determine the speed of the ball and its kinetic energy when the infielder catches it. The mass of the ball ..
A skydiver jumps out of a plane and fall 7.7 seconds before opening the parachute. What is the sky diver's speed when parachute opens
A series RLC circuit has R= 50, L= 2.7 H, and C= 52 nF. It is connected to an AC voltage source with an rms amplitude of 12 V, find the average power dissipated by the circuit
A vertical cylindrical cylinder, closed at the bottom end, contains 0.0100 moles of gas. It is fitted at the top with a piston, which can move freely. What is the temperature of the gas
what is the electric force between the proton and electron inside of a hydrogen atom? What must the speed of the electron be? Radius=0.47 x 10^-9.
1. a 10.0 cm radius piston compresses a gas isothermally from a height of 15.0 cm to 2.50 cm at a constant pressure of
A +4.5-µC charge experiences a 0.59 N force in the positive y direction. If this charge is replaced with a -1.0 µC charge, what force will it experience
While driving along a country lane with a constant speed of 12 m/s, you encounter a bump in the road that has a cross section. find the normal force on a 67 kg person in your car as you pass over the top of the bump
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