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A 10.2-g bullet is fired into a stationary block of wood having mass m = 5.01 kg. The bullet imbeds into the block. The speed of the bullet-plus-wood combination immediately after the collision is 0.590 m/s. What was the original speed of the bullet? (Express your answer with four significant figures.)
An electron in a 1-D box of length 0.100 nm, Find the energies of the four lowest states that have energies above the ground states
The sensor in the torso of a crash-test dummy records the magnitude and direction of the net force acting on the dummy. If the dummy is thrown forward with a force of 570N while simultaneously being hit from the side with a force of 2400-N, what f..
At time t=0s, a wheel has an angular displacement of zero radians and an angular velocity of (+28) rad/s. Calculate the average angular velocity in the interval from t=0 to t=20
Consider a circular loop of wire lying in the same plane but to the north of a very long straight current directed eastward. Find the direction of the current induced in the loop
Heat is added to 1.00 10^3 cm^3 of water at atmospheric pressure. The water's temperature increases by 30.9°C. Find the increase in the water's internal energy
You exert a force of 25 N on the head of a thumbtack. What is the pressure on your thumb
You are driving home from school steadily at 94 for 120. It after that begins to rain and you slow to 60. You arrive home after driving two hours and 20 minutes. How far is your hometown from school.
q1. a vertical electric field of magnitude 3.00 104 nc exists above the earths surface on a day when a thunderstorm is
In an open RC circut, the total resistance is 15Kohms and the battery emf is 24 and constant is measured to be 35 microsecond calculate (a) the total capacitance of the circuit
question1at a certain instant of time a toy car is travelling at a constant speed of v0 to thenbspright while a
To appreciate the strength of gravity, calculate the number of steel cables that would be required in the absence of gravity to hold the moon in orbit about the earth.
a .40-kg bucket of bait, attached to the end of a .75 m string, is whirled around in a circular horizontal path. What is the speed of the bucket
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