Find rebound angle if approach velocity is given
A ball on a frictionless surface hits a wall at an angle of 30 degrees. What is the rebound angle if the approach velocity is 0.5 m/s and the coefficient of restitution is 0.7?
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Translate each of the following z-scores to corresponding GPA: z=2.0, z=-1.0, z=.5, z =-2.5. Students with z-scores below -1.6 are put on probation. What is the corresponding probationary GPA?
If the isentropic efficiency of the turbines are 90%, please plot the T-S diagram and determine (a) thermal efficiency (b) mass flow rate of the steam entering the first turbine.
What is the impulse exerted on the fullback? What is the impulse exerted on the tackler? What is the average force exerted on the tackler? Draw a diagram. Show all work.
If we start with 0.500 mol H2 and 0.500 mol I2 in a 5.00 L vesselat 698 K, what will be the concentrations of each gas at equilibrium?
Suppose there are only three candidates and she follows the following strategy. She rejects the first candidate and then selects the next candidate that is better than those already interviewed?
A medical cyclotron with a 2.2 T magnetic field is intended to accelerate deuterium nuclei (deuterons), consisting of one proton and one neutron.
A rifle with a weight of 30N fires a 5g bullet with a speed of 300m/s. What is the recoil speed of the rifle? If a 700N man holds the rifle firmly against his shoulder, find the recoil speed of the man and the rifle. Draw a diagram. Show all work.
The bottom slope is 0.0014. Determine the dimensions of the best cross section if the channel shape is trapezoidal of bottom width b.
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