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A boy throws a stone horizontally from the top of a cliff of height h toward the ocean below. The stone strikes the ocean at distance d from the base of the cliff. In terms of h, d, and g, find expressions for the following.
(a) the time t at which the stone lands in the ocean
t = ?
(b) the initial speed of the stone
vxi = ?
(c) the speed of the stone immediately before it reaches the ocean
vf = ?
(d) the direction of the stone's velocity immediately before it reaches the ocean
?f = below the horizontal
Uniform plate of height 1.980 m is cut in the form of a parabolic section. Find the moment of inertia of the plate
An air-filled parallel-plate capacitor has plates of area 2.10 cm2 separated by 0.50 mm. The capacitor is connected to a 3.0 V battery. What is the charge on the capacitor
Two wooden crates rest on top of one another. The smaller top crate has a mass of m1=20kg and the larger bottom crate has a mass of m2=88kg. what is the acceleration of the lower crate
A baseball outfielder throws a 0.150 kg baseball at a speed of 35.0 m/s and an initial angle of 26.0°. Illustrate what is the kinetic energy of the baseball at the highest point of its trajectory?
how much time passes before the brick lands on the ground.
A transformer has 100 turns in its primary windings and 500 turns in its secondary winding. calculate the secondary voltage and current
A hotel elevator ascends 200 m with maximum speed of 5m/s . Its acceleration and deceleration both have a magnitude of 1.0 m/s^2 . a.)How far does the elevator move while accelerating to full speed from rest?
A house has a floor area of 113 m2 and an outside wall that has an area of 26 m2. The earth's magnetic field here has a horizontal component of 3.0 multiplied by 10-5 T that points due north and the vertical component of 4.9 multiplied by 10-5 T p..
A uniform disk of mass m=0.400 kg and radius R=20.0 cm is pinned to the wall near its rim. Find the angular frequency of oscillation if the disk is set swing back and forth
Consider a piece of nichrome wire which is attached to a 1.2-mm-diameter aluminum wire, as diagrammed in the figure below. What diameter should the nichrome wire in the figure below be in order for the electric field strength to be the same in..
A 0.48-kg object connected to a light spring with a force constant of 23.6 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest.
A house has a floor area of 104 m2 and an outside wall that has an area of 32 m2. Calculate the magnetic flux that passes through the floor
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