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A 2.30-g bullet embeds itself in a 1.30-kg block, which is attached to a spring of force constant 780 N/m .
If the maximum compression of the spring is 5.80 cm, find the initial speed of the bullet.
In a skating stunt known as "crack-the-whip," a number of skaters hold hands and form a straight line. find the magnitude of the centripetal force that acts on him
A physics lab demonstrates the principles of simple harmonic motion (SHM) by using a spring affixed to a horizontal support, calculate the spring constant
A dock worker applies a constant force of 80.0 N to a block of ice on a smooth horizontal floor. What is the mass of the block of ice
A bicycle wheel has a diameter of63.1 cm and a mass of 1.85 kg. What force is required if the chain shifts to a 5.65 cm diameter sprocket
A spherical balloon is made from a material whose mass is 3.00 kg. The thickness of the material is negligible compared to the 1.6-m radius of the balloon. Find the absolute pressure of the helium gas
Assume that Young's Modulus for bone is 1.50 1010 N/m2 and that the bone will fracture if more than 1.50 108 N/m2 is exerted. What is the maximum force that can be exerted on the femur bone
The G string of a guitar which should be 397 Hz is playing flat at 380 Hz. What percentage change in the tension of the wire is necessary so as to tune the string to 392 Hz.
A 0.105-kg ball is dropped from rest. If magnitude of the ball's momentum is 0.790 kg · m/s just before it lands on the ground, from what height was it dropped.
A 5kg steel ball strikes a wall with a speed of 8m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ..
person 1.6 m tall stands 5.2 m from a reflecting globe in a garden. How large is the person's image
Some kids playing at the park get creative, and they turn a seesaw into a trebuchet - they slide the plank until only 20 cm of its total length of 4 m extends from one side of the fulcrum. What maximum velocity does the cantaloupe reach
A sound wave with an intensity level of 80.9 dB is incident on an eardrum of area 6.00 10-5 m2. How much energy is absorbed by the eardrum in 3.0 minutes
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