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A position-time graph for an object moving in the - dir'n and accelerating from a low velocity to a high velocity is shown below. If the object is moving in the - dir'n, then the slope of a p-t graph would be -. If the object is changing velocity from low to high values, then the slope must change from low slope to high slope.
a 100N force acts for 0.05s on a .10kg ball with an initial velocity of -20m/s, What is the final momentum of the ball
A charge particle of mass .0020kg is subjected to a 6 T magnetic field which is acts as a right angle to its motion. if the particle moves in a circle of radius .20m at a velocity of 5.0 m/s. what is the magntiude of the charge on the particle.
Water flows over a section of Niagara Falls at a rate of 1.07 × 106 kg/s and falls 40 m, How many 70 W bulbs can be lite with this power
A father pulls his young daughter on a sled with a constant velocity on a level surface a distance of 10 m. how much work does the father do
Steam enters a nozzle operating at steady state with p = 40 bar and T =400oC, and a velocity of 10 m/s. Determine the exit area of the nozzle
A 1600-kg car starts from rest to reach 60.0 miles/h in 6.50 s. What is the engine's power output, How much work is done by the engine during the acceleration
A 200g oscillator in a vacuum chamber has a frequency of 2hz. How many oscillations will have been completed when the amplitude is 30% of its initial value
You are rotating a 2.0kg rock in a vertical circle,using a very light string. Find the speeds of the rock at the highest and lowest position
500 mL of a liquid with a coefficient of volume expansion of 267x10-6/oC fills to the brim a container that has a coefficient of volume expansion of 99x10-6/oC. how much of the liquid will overflow the container
In an amusement park ride called The Roundup, passengers stand inside a 16.0 -diameter rotating ring. Suppose the ring rotates once every 5.40 . If a rider's mass is 57.0 , with how much force does the ring push on her at the top of the ride
A 380-kg sailboat has an acceleration of 0.636 m/s2 at an angle of 65.5 ° north of east. Find the direction of the net force that acts on the sailboat
The left edge of the loop is on the y-axis.The x-dimension of the loop is 110 cm and the y-dimension is 40 cm. What is the magnetic flux through the loop
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