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The coefficients of kinetic friction on the incline and the plane are negligible. What would be the velocity of the box right after the collision
A solid sphere of mass 4.4 kg and radius 0.12 m is at rest at the top of a ramp inclined 15°. Find the sphere's total kinetic energy when it reaches the bottom
A large capacitance of 1.27 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
A near-sighted person might correct his vision by wearing diverging lenses with focal length f = -40cm. Use ray tracing to determine the height of the image
Consider a car undergoing these two displacements: D1 (3 km, 4 km) and D2 (4km, -3 km). how far will the car then be from its starting point
The first skater carries a 2-m pole that may be considered massless. As he passes the pole, What is the angular speed after the skaters are linked together
A thief was trying to pull a 20 kg coffer (a coffer is a box usually used to hold valuables) along an essentially frictionless horizontal surface. What was the work done on the coffer by the rope
A professional boxer hits his opponent with a 1025-N horizontal blow that lasts 0.160 s. determine the opponent's final velocity after the blow
Heart Pump Rate When at rest, your heart pumps blood at the rate of 5.00 liters per minute (L/min). find the volume of blood pumped by your heart in one day
A basketball (m = 0.60 kg) is dropped from rest. Just before striking the floor, At what height was the basketball dropped
A golf ball strikes a hard, smooth floor at an angle of 32.5 ° and rebounds at the same angle, What is the magnitude of the impulse applied to the golf ball by the floor
While on a camping trip, you would like to carry water from the lake to your campsite. find Which bucket holds more water
Most of the motion generated by joints in the human body are examples of levers. An example of a third class lever is the forearm; what force is exerted by the biceps muscle
A copper wire has a resistance of 0.400 at 20.0°C, and an iron wire has a resistance of 0.430 at the same temperature
A 2.00 g plastic bead charged to -4.00 nC and a 4.00 g glass bead charged to +8.00 nC are 2.00 cm apart, find the initial accelerations of the plastic bead
A crate travels 30 m due to a constant force of 350 N. The friction can be neglected for the first 15 m. What is the final speed of the crate if it weighs 110 kg
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 9.72 m/s in 3.84 s. find the average force experienced by the passenger
A square uniform raft, 20m by 20m , of mass 7100kg , is used as a ferryboat. determine the CM of the loaded ferryboat
Your grandfather clock's pendulum has a length of 0.9939 m, how should you adjust the length of the pendulum
A diffraction grating produces a first order maximum at an angle of 20.0°. What is the angle of the second order maximum
A 20g ball of clay traveling east at 3.0m/s collides, What is the speed of the resulting ball of clay
You take the elevator to the roof of midtown skyscraper that is 100 meters high. What was the velocity of your souvenir just before it hit the ground
A scaffold supports a weight of 500 lbs. If the force in one end support is 150 lbs, how much force is supported by the other end
The electric field caused by a certain point charge has a magnitude of 6800N/C at a distance of 0.200m from the charge
light of wavelength 550 nm of air is found to travel at 1.96 x 10^8 m/s in a certain liquid. what is the frequency of the light in air