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A warehouse worker pushes a crate along the floor, by a force of 5.0N that points downward at an angle of 45° below the horizontal. find the horizontal component of the push.
1-Your answer should be positive if the force is to the right, negative if the force is to the lef.
2-Find the vertical component of the push.
Your answer should be positive if the force is upward, negative if the force is downward.
A 1.6-rm MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as the heart beats.
The bullet remains in the block, and after the impact the block lands d = 1.90 m from the bottom of the table. How much time does it take the block to reach the ground once it flies off the edge of the table.
What is the tangential acceleration of a bug on the rim of an 11.00 in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 79.03 rev/min in 3.60 s? One second after the bug starts from rest, what is its centripetal accel..
Find a largest image that can be completely imaged on a 35mm film.
A bus travelling along the straight road at 100km/hr-1 and the bus conductor make at 6kmhr-1 on the floor of the bus in the same direction on the bus. Find the speed of the conductor relative to road and relative to the bus. If the bus conductor now ..
What is the decibel level required for human perception
The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. From what height did the student fall? assume that the only force acting during the collision is that due to the ground.
Illustrate what is the speed of the three coupled cars after the collision? How much kinetic energy is lost in the collision?
A child looks at his reflection in a spherical Christmas tree ornament 8cm in diameter, and sees his image reduced by half. How long is his face from the ornament.
boy goes to market with a average speed of 29 km/h.He returns back half the way he went with a average speed of 40 km/h. Find average speed for whole journey.
An 8m, 290 N uniform ladders rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.75, and the ladder makes a 50° angle with the ground. How far up the ladder can a 720 N person climb before the lad..
The skis have a thrust of 189 N and a coefficient of kinetic friction on snow of 0.1. Unfortunatately, the skis run out of fuel after only 9 s. Illustrate what is Sam's top speed?
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