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A uniform beam of length L = 8.00 m and weight 5.35x10^2 N is carried by two workers, Sam and Joe, as shown in the figure below. Determine the force that each person exerts on the beam.
a. Fsam
b.Fjoe
A ball with a mass of 0.75 kg is thrown vertically into the air with an initial velocity of 10 m/s. establish the velocity of the ball when it hits the ground if it was initially released 2.0 m above the ground.
An electric field of 8.60 x 107 V/m is desired between two parallel plates, each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate.
A soccer ball is kicked from the ground at an angle of ? = 60 degrees with respect to the horizontal, What is the total horizontal distance, (dm), in meters, traveled by the ball in the time, tm
Find the peak magnetic field in an electromagnetic wave whose peak electric field is 200N/C
A centrifuge in a medical laboratory rotates at an angular speed of 3400 rev/min, Find the constant angular acceleration of the centrifuge
A cylindrical storage tank has a radius of 1.20 m. When filled to a height of 4.05 m, What is the density of the solvent
A 16-cm-diameter cylinder that is 39cm long contains 60g of oxygen gas at 20?C, What is the number density of the oxygen
A 0.7 kg block of ice is sliding by you on a very slippery floor at 3.5m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with ice block for 0.003 seconds.
High-speed photos of a 220 microg flea jumping vertically indicate that the jump lasts 1.2 ms, What is the flea's change in momentum during its jump
An Argon ion laser has a gain bandwidth of 2 GHz. Find the number of standing wave cavity modes within the gain bandwidth of the argon ion laser
When a 58 g tennis ball is served it accelerates from rest to a constant speed of 42 m/s the impact with the racket gives the ball a constant acceleration over a distance of 37 cm illustrate what is the magnitude of the net force acting on the ball..
The rms speed of a sample gas is increased by 2 %, What is the percent change in the temperature of the gas
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