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A rifle with a weight of 30 N fires a 3.0 g bullet with a speed of 210 m/s.
(a) Find the recoil speed of the rifle.
m/s
(b) If a 675 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle.
You are driving north on 107th Avenue at a speed of 32.6 mph. At what frequency do you year the siren
Illustrate what is the safe's coefficient of kinetic friction on the bank floor?
A charge of + 2.00nC is uniformly distributed on a ring of radius 10.0cm that lies in the x = 0 plane and is centered at the origin. Find the work required to move the point charge to the origin.
a circular wire coil with resistance 1.4 and an area 5.0x10^-3m^2 lies perpendicular to a magnetic field that's increasing at 2.0T/s, how many turns are in the coil?
A solid Cylinder with a mass of 10 kg is attached to an inclined plane.A 2kg block is attached to a string that is wrapped around the cylinder. Find the angular acceleration of the cylinder
Now a peg is placed 4/5 of the way down the pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its startin..
This question requires three answers. Three resistors are connected in parallel with a 9.0 V battery. What is the voltage drop across R2
What is the coefficient of static friction
The radius of the moon is about 0.273 times the earth radius, its mass is about 0.0123 times the mass of the earth. Calculate your weight on the moon
A 232 kg cart runs into the rear end of a 102 kg cart that is stationary. What is the speed of the moving cart before the collision
The Concorde is 62 m long when its temperature is 23°C. In flight, the outer skin of this supersonic aircraft can reach 106°C due to air friction. Find the amount by which the Concorde expands
An astronaut on a distant planet wants to determine its acceleration due to gravity. What is the acceleration (magnitude and direction) due to gravity on this planet
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