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Q. A golfer strikes a ball so that it ?ies a distance(d) away, landing a height(h) above its original elevation. The time of ?ight of the ball is-
a) Find the initial vertical component of the velocity of the ball.
b)Find the size of the initial velocity of the ball.
c) Find the angle above the horizontal of the initial velocity of the ball.
d) Find the maximum elevation of the ball.
A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30. At 10.0 after blastoff, the engines suddenly fail, which means that force they produce instantly stops.
Suppose you wish to fabricate a uniform wire out of 2.6 g of copper. If the wire is to have a resistance of R = 0.25 and if all of the copper is to be used, what must be the length of the wire in m and the diameter of the wire in mm.
how far will the bullet penetrate the block of wood.
A good baseball pitcher can throw a baseball toward home plate at 91 miles per hour with a spin of 1789 revolutions per minute. How many revolutions does baseball make on its way to home plate? For simplicity, assume that the 60.0 ft path is a straig..
Question: For all generators: Eg = 1\"\"0°, χ1 = j0.25 For all transformers: χ1 = j0.75 [A] Write the Y and Z matrices. B] Write the model equation. [C] For each bus, find V, ρ and Q.
What should be the spring constant of a spring designed to bring a 1500 car to rest from a speed of 80 so that the occupants undergo a maximum acceleration of 5.
Calculate the angular velocity of the wheel when the suitcase reaches the ground. compute the moment of inertia of the wheel.
What is the greatest angle of elevation
The mean (average) of their squares
A 0.449 kg ice puck, moving east with a speed of 2.91 m/s, has the head-on collision with a 0.846 kg puck initially at rest. Assume a perfectly elastic collision, what will be the speed and direction of each object after the collision.
Illustrate the force vectors with their tails at the origin of coordinate system. The orientation of your vectors will be graded. The exact lengths of your vectors will not be graded but relative length of one to the other will be graded.
An oscillator with a mass of 430 g and a period of 0.900 s has an amplitude that decreases by 1.00% during each complete oscillation. If the initial amplitude is 9.20 cm, what would be the amplitude after 44.0 oscillations? At what time will the e..
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