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A baseball approaches home plate at a speed of 46.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 50.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 1.60 ms. What is the average vector force the ball exerts on the bat during their interaction?
on bat = N
Discuss the position and size for the n = 1 state of Harmonic Oscillator. How do you picture this state? What is her size relative to the well wall? Does she penetrate the wall much?
What must be the magnifying power of the eyepiece if the total magnification of the specimen is 100X
Calculate the vertical component of its velocity by the time it hits the ground
Low-frequency vertical oscillations are one possible cause of motion sickness, with 0.40 having the strongest effect. How much time elapses between two waves hitting the ship
A toy cannon uses a spring to project a 5.31-g soft rubber ball. The spring is originally compressed by 5.04 cm and has a force constant of 7.96 N/m. At what point does the ball have maximum speed
Your toaster has a power cord with a resistance of 2.2×10?2 connected in series with a 9.9 nichrome heating element. How much power is dissipated in the heating element
a speeder passes a parked police car at a constant speed of 34.9 ms. at that instant the police car starts from rest
A 65.0 kg human sprinter can accelerate from rest to 10 m/s in 2.90 s. all through the same interval, a 33 kg greyhound can accelerate from rest to 20 m/s. calculate (a) change in kinetic energy and (b) average power output for each.
A 4.1×104 locomotive, with steel wheels, is traveling at 7.0 on steel rails when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop
Determine the greatest vertical displacement of the pendulum
A 9.4-V battery, a 5.08-? resistor, and a 9.9-H inductor are connected in series. After the current in the circuit has reached its maximum value, evaluate the power being supplied by the battery
A 250 gram ice cube at -10 C is placed in a Alum cup whose initial temp is 70 C. what is the mass of the cup
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