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An 8.57-kg block slides with an initial speed of 1.64 m/s up a ramp inclined at an angle of 27.3° with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.70. Use energy conservation to find the distance the block slides before coming to rest.
determine the resultant displacement graphically.what is the magnitude of repulsive force pushing these two spheres apart.
Your task in physics lab is to make a microscope from two lenses. One lens has a focal length of 2 cm, the other a focal length of 1 cm. What will be the magnification of your microscope
you walk 30m south and 30m east. find the magnitude and direction of the resultant displacement both graphically and
A 300 kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile), What is its average power output in watts and horsepower
A diverging lens (f = -12 cm) is located 20 cm to the left of a converging lens (f = 35.0 cm). A 3.00 cm tall object stands to the left of the diverging lens, exactly at its focal point.
You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.6 m above the ground, Use the work-energy theorem to find its speed just as it left the ground
Consider a conical pendulum with a 86.0 kg bob on a 10.0 m wire making an angle of ? = 7.00° with the vertical. What is the radial acceleration of the bob
A small ball is located at the origin and has as charge of +3.9 nC. At a distance of 5.8 cm the electric field has a magnitude of 10422 N/C. What is the direction of the electric field, away or toward the ball
A custom car built for pretentious people has two brass horns that are supposed to produce the same frequency, What beat frequency is produced
The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At 22.0 °C the air gap between the rods is 1.99 x 10-3 m
A wire is stretched between two posts. Another wire is stretched between two posts that are four times as far apart. What would be the speed of the wave on the longer wire
The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground
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