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A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. If the initial velocity is 12.0 cm/s and the initial displacement is 4.00 cm, then what is the maximum velocity of the simple harmonic motion?
a man swimming at 3 m/s crosses a river flowing East at 1 m/s. The river is 300 m wide. At what angle to the bank should he swim
a 10.0 kg watermelon and a 7.00 kg pumpkin are attached to each other via a cord that wraps over a pulley. find the accelerations of the pumpkin and the watermelon
You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. Explain how much force must you exert to keep the pole motionless in a horizontal position
A gun is fired vertically into a m = 1.44 kg block of wood at rest on a thin horizontal sheet directly above it. How high from the sheet will the block rise into the air
A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom initially at rest. What fraction of the neutron's kinetic energy is transferred to the carbon nucleus
Two speakers, one straight behind the other, are each generating a 285 Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Suppose that the s..
Two particles having charges of 0.520 nC and 18.7 nC are separated by a distance of 1.10 m, Where would the net electric field be zero if one of the charges were negative
Find the average force on the driver if the deceleration is accomplished gradually by the application of brakes over a 11.1 s interval
If the rms electric field of this light is 18.0{\rm N/C} at a distance of 1.15{\rm m} from the bulb, what is the average total power radiated by the bulb
Two persons on ice skates stand face to face and then push each other away. Their masses are 60kg and90kg. find the ratio of their speeds immediately afterwards. which person has the higher speed?
A light ray is incident upon a plane interface between two materials. The ray makes an incident angle with the normal to the surface of 39 degrees in a material, find thev refracted angle (in degrees) in that material
A 2.90 g bullet moving at 260 m/s enters and stops in an initially stationary 2.80 kg wooden block on a horizontal frictionless surface. What's the speed of the bullet block combination
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