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A 3 kg block slides with a speed of 1.1 m/s on a frictionless horizontal surface until it encounters a spring.
a.) If the block compresses the spring 4.8 cm before coming to rest, what is the force constant of the spring?
b.) What initial speed should the block have to compress the spring by 1.2 cm?
A projectile is launched from level ground. When it lands, its direction of motion has rotated clockwise by 60 degrees. What was the launch angle.
A hand-driven tire pump has a 2.50 cm diameter piston and a maximum stroke of 24.0 cm. What average force do you exert on the piston
Manufacturers of headache remedies routinely claim that their own brands are more potent pain relievers than the competing brands. Find the number of molecules of pain reliever in the standard dose of Tylenol
One possibility for a low-pollution automobile is for it to use energy stored in a heavy rotating flywheel. What is the angular velocity of the flywheel when it has a full "energy charge"
A charged particle moves through a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 4290 N/C, Find the charge-to-mass ratio of the particle
A Carnot engine absorbs 950J of heat each cycle and provides 340J of work. How much heat is rejected each cycle
The wire is located in a uniform magnetic field B directed perpendicular to the wire. Compute the magnitude of B when the force on the wire due to B is 0.200 N.
A circular loop carries a current I. It is placed in a constant magnetic field in such a way that the field lines are perpendicular to the lane of the circle
a swimming pool measures 10 meters wide by 50 meters long by 4 meters deep. what is the water pressure at this point
You have determine that it takes 3s for a toy car ti travel through the distance of 162 cm. Calculate the average speed of the toy car
An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are in thermal equilibrium at 10.0°C. Determine the specific heat of the unknown sample
A 30 microF capacitor and a 5.45 miliH inductor are connected in series with an open switch. What is the angular frequency of the charge oscillations in the capacitor
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