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A worker on top of a radar tower 22.4 ft high drops a wrench off the tower. What is the speed of the wrench when it hits the ground? Use metric units, not English units to solve the problem.
An electric vehicle starts from rest and accelerates at a rate of 2 m/s2 in a straight line until it reaches a speed of 25.00 m/s. The vehicle then slows at a constant rate of 1.1 m/s2 until it stops. (1) How much time elapses from start to stop? ..
A light source emits a beam of photons, each of which has a momentum of 2.3 ?? 10??29 kg??m/s. What is the frequency of the photons
Dan is gliding on his skateboard at 4.0m/s . He suddenly jumps backward off the skateboard, How fast is Dan going as his feet hit the ground
A heat pump uses an ideal Carnot cycle to heat a house. The outside air has a temperature of 294 K, In the scenario described in the previous question, how much energy is transferred out of the outside air
A piston, A, has a diameter of 0.74cm. A second piston, B, has a diameter of 2.6 cm. In the absence of friction, determine the force, F, essential to support the 539.7 N weights. Answer in units of N.
a carnival ride consists of a vertical cylindar, radius 2 m. When it revolves it pins people to its walls, What is the required period of revolution
A 3.00-g bullet traveling horizontally at 413 m/s hits a 28.0-g wooden block, compute The speed of the block after the collision
A monatomic gas is adiabatically compressed to 0.500 of its initial volume. How do each of the following quantities change The molar specific heat at constant volume
Two boys are sliding toward each other on a frictionless, ice-covered parking lot. Jacob, mass 45 kg, is gliding to the right at 7.67 m/s, What is their velocity immediately there after
Two cars start at the origin from rest. The first car accelerates for 3.0s and then continues at a constant velocity, find the distance traveled by the first car
Two loudspeakers in a plane, 5 m apart, are playing the same frequency. If you stand 14 m in front of the plane of the speakers, What is the frequency of the sound
A house has a floor area of 162.0 m2 and an outside wall that has an area of 40.50 m2. The earth's magnetic field here has a horizontal component of 2.550E-5 T, Determine the magnetic flux through the wall if the wall faces north
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