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A uniform boom is at an angle of 45 degrees from the ground. It is held in place by a frictionless pin at ground level. Weight A= 2230 nt is suspended from its upper end and the boom's weight B= 441 nt. A cable from its upper end to ground level makes angle 30 degrees with the ground.
Find T, the tension in the cable and the magnitude of P, the total force exerted on the boom by the frictionless pin.
a motorcycle is following a car that is traveling at constant speed on a straight highway. initially the car and the
A 1.00 kg block is sitting on the top og a 10.0kg cart that is free to move on a horizontal surface. What is the maximum horizontal acceleration the cart can have
Magnitude of force exerted by +1nC charge is 2 Newton. Compute the distance between the charges
A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial temperature of 95?C. Calculate the coffee's rate of heat loss by radiation
A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. The mass of the ball is 0.38 kg. What is the average net force (magnitude and direction) exerted on the ball by the cushion
An airtight box has a removable lid of area 1.3 x 10-2 m2 and negligible weight. Find the magnitude of the force required to pull the lid off the box
Particles approximately 3.0 X 10-2 cm in diameter are tobe scrubbed loose from machine parts in an aqueous ultrasoniccleaning bath. Above what frequency should the bath be operated to produce wavelengths of this size and smaller?
On a very warm day(30C) you are sitting at the shallow end of a swimming pool teaching a young child to swim. How long is the pool
A) What is the magnitude of the net electric force on the 1.0nC charge in (Figure 1). What is the direction of the force on the 1.0 nC charge in (Figure 1)?
A 7.45 nC charge is located 1.84 m from a 4.06 nC point charge. Find the magnitude of the electrostatic force that one charge exerts on the other
A billiard ball moving at 5.90 m/sstrikes a stationary ball of the same mass. After the collision,the first ball moves at 5.06 m/s, atan angle of 31.0° with respect tothe original line of motion.
The starter motor of a car engine draws an electric current of 42.0 A from the battery. The copper wire to the motor is 5.70 mm in diameter and 1.36 m long. How much electric charge passes through the starter motor
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