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A box with a mass of 3:5kg slides of a ramp 8 mhigh, thenwhen traveling on horizontal surface collides with a box with mass 5 kg, then two boxestraveling together hit a spring with k=5000 Nm. Find.
a) the velocity of the box before thecollision
b) the velocity of the boxes after thecollision
c) themaximum compression of the spring.
A brick of mass M sits on a rubber pillow of mass m . Together they are sliding to the right at constant velocity on an ice-covered parking lot, Draw a free-body diagram of the brick and identify each force acting on it
The high-speed winds around a tornado can drive projectiles into trees, building walls, and even metal traffic signs. what was the magnitude of the force of the branch on the toothpick
A rifle is test fired into a ballistic pendulum. The bullet embeds itself in the block of mass 0.55kg that makes up the bob of the pendulum. What is the muzzle velocity of the rifle
While exploring a sunken ocean liner, the principal researcherfound the absolute pressure on the robot observation submarine atthe level of the ship to be 413 atmospheres. Calculate the depth of the sunken ocean liner
At some point between the earth and the sun the net gravitational force is zero. How far is this point from the center of the earth
If both the ring and the rod are warmed together, what temperature must they both reach so that the ring barely slips over the rod.
The temperature of a 2.8 m copper pipe is raised from 46?C to 873?C. What is its change in length
The new EV-1 electric car makes use of storage batteries as its source of energy. Its mass is 1580 kg and it is powered by 29 batteries, Determine the horsepower required for the motor
a microphone is attached to a spring that is suspended from the ceiling as the drawing indicates. directly below on the
The balance wheel of a watch oscillates with angular amplitude 0.90? rad and period 0.68 s. Find the maximum angular speed of the wheel
(a) What is the light intensity on a wall 3.0 m away from the lightbulb. (b) Where did the 96 W go. (c) A krypton laser produces a cylindrical red laser beam 3.0 mm in diameter with 4.0 W of power.
You can exert a total of 75 J to launch a 0.75 kg projectile up a 5 m long ramp. What is the total distance (in m) traveled by the projectile
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