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A baseball is being caught; its speed goes from 90 to 0km/hr in about 0.005 kilogram.
a. Determine the baseball's acceleration?
in m/s^2 and in g's?
b. Calculate what is the size of the force acting on it?
A ball on the end of a string is revolved at a uniform rate ina vertical circle of a radius 72.0cm. calculate the tension in the string when the ball isat the top of its path
a soccer ball is kicked from the ground with an initial speed of 20.6 ms at an upward angle of 45deg. a player 52.4 m
An eagle is flying horizontally at 7.8 m/s with a fish in its claws. It accidentally drops the fish, How much time passes before the fish's speed doubles
A 3 kg block is dropped from rest onto a linear elastic spring as shown in the attached image. The spring is initially undeformed and has a spring constant of 1130 N/m. What is the deformation of the spring when the block momentarily stops? The block..
Electromagnetic waves (light) can form standing waves. In a certain standing wave pattern formed by microwaves, What is the microwave frequency
The outside mirror on the passenger side of a car is convex and has a focal length of -8.5 m. Find the image distance of the truck
a motorcycle has a constant acceleration of 2.74 ms2. both the velocity and acceleration of the motorcycle point in the
The current in a 100 watt lightbulb is 0.85 A. The filament inside the bulb is 0.25 mm in diameter. What is the elecron current in the filament
q1. what is the electric potential energy of three equal positive charges of 1.33 microc while they are arranged to
A block of 4.4 kg is held at the top of a smooth incline. The incline has height of 2.1 m and is at an angle of 19 degrees above the horizontal. How much work was done by friction on the block
Jamie pulls a box of 1.0 kg mass up an inclined plane by a constant force of 10 N that causes a displacement of 0.50 m. find the work done by the normal force on the object
The magnetic force per meter on a wire is measured to be only 21% of its maximum possible value
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