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A baseball is bunted down the third-base line leaving the bat from a height of 0.850m with an initial velocity of 4.00m/s at an angle of 36.87° above horizontal
a) what is the speed of the baseball just before hitting the ground? (answer by using mechanical energy conservation)
b) What is the ball's normal (centripetal) acceleration at the maximum height?
c) What is the baseball's tangential acceleration at maximum height?
d) Answer b and c for the instant just before the ball hits the ground
e) What are the radiuses of the baseball path curvature at the maximum height and the point of grounding
A bottle has a mass of 27.00g when empty and 93.90g when filled with water. What is the specific gravity of this other fluid
A vertical scale on a spring balance reads from 0 to 245 rm{N}. The scale has the length of 11.0 rm{cm} from the 0 to 245 rm{N} reading. A fish hanging from bottom of the spring oscillates vertically at a frequency of 3.00 rm{Hz}.Ignoring the mass..
External forces compress 21 mol of ideal monatomic gas; during the process the gas transfers 15 kJ of heat to its surroundings, How much work was done on the gas
A grating with 504 lines/mm is illuminated with light of wavelength 305 nm. What is an angular separation between the two lines formed in order m = 2.
David is driving a steady 24 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant while David passes. How far does Tina drive before passing David.
Determine the direction of the net electrostatic force on charge q3 (angle with respect to the positive x-axis).
Kathy Kool buys a sports car that can accelerate at the rate of 5.20 m/s2. She decides to test the car by racing with another speedster, Find the time it takes Kathy to overtake Stan
A car of mass 1,800 kg is initially traveling at a speed of 15 m/s. Calculate the change in the kinetic energy of the car
A sled with a mass of 8.00 kg moves in a straight line on a frictionless horizontal surface. find the force acting on the sled
Suppose that the volume of hydrogen gas at STP collected at the cathode in an electrolysis experiment is 8 mL. How many electrons contributed to the electrolytic current
A 7.00-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire and rail is 0.350?. How big is the pulling force
A circuit contains six 210 lamps and a 14 heater connected in parallel. The voltage across the circuit is 120V. If the circuit has a 12A fuse, will the fuse melt if all the lamps and the heater are on.
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