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Solve the following questions:
Question I: How long does it take for a golf ball to fall from rest for a distance of 11.2m?
Question II: How far would the ball fall in twice that time?
Explanation and formulas needed for best answer!
A rocket has a total mass of 1.00 x 105Kg and a burnout mass of 1.00 x 104Kg, including engines, shell, and payload. What thrust does the engine develop at lift off
A series RCL circuit contains a 24.7-? resistor, a 1.95-?F capacitor, and a 6.02-mH inductor. When the frequency is 2870 Hz, what is the power factor of the circuit
At table tennis ball has a positive charge of 4.50 × 10-8 coulombs. It experiences a force of 2.72 × 10-3 N due to an electric field. Compute what the strength of the electric field
Two cylindrical bars, each with diameter of 2.30 cm, are welded together end to end. One of the original bars is copper and is 0.350 m long
A 1500-kg car moving east at 39 m/scollides with a 1700-kg car moving southat 15 m/s and the two cars stick together. What is the velocity of the cars right after the collision?
An ideal gas with =1.4 occupies 3.0L at 300 K and 100kPa pressure and is compressed adiabatically until its volume is 2.0 L. It's then cooled at constant pressure until it reaches 300 K, then allowed to expand is thermally back to state A.
question suppose a ball thrown downward with initial velocity 3 ms instead of being dropped a what then would be its
A 6 m long, uniform ladder leans against a frictionless wall and makes an angle of 67.3 with the floor. The ladder has a mass 21 kg. A 54.6 kg man climbs 82% of the way to the top of the ladder when it slips and falls to the floor.
An L-R-C circuit, operating at 60 Hz , has an inductor with an inductance of 1.53x10^-3 H , What is the inductive reactance of this circuit
An inductor has an inductance of 0.015 H. The voltage across this inductor is 49 V, What is the current in the inductor
A block is hung by a string from the inside roof of a van. When thevan goes straight ahead at a speed of 20 m/s, the block hangsvertically down.
A 2-kg block is released from rest at the top of an inclined planeof angle θ = 30°. The block is located distance l =20 cm away from a spring that has spring constant k =300 N/m, as shown. The coefficient of friction between the block and plane is..
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