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You are supposed to make a Rube Goldberg machine that releases a block on an inclined plane that has a length of 2.50m and is supposed to take 15.5 seconds to travel that distance. There is friction (us=uk=.4) and the mass of the block is 5kg, the mass of the pulley is 1 kg and it has a radius of 15cm. -Find the acceleration of the block as it slides down the plane. -what should the slope of the plane be so that the block travels the distance is the correct time?
A proton enters the gap between a pair of metal plates (an electrostatic separator) that produces a uniform, vertical electric field between them. Ignore the effect of gravity on the proton.
The length of a moving spaceship is 29.4 m according to an astronaut on the spaceship. compute the speed of the spaceship
Calculate the magnitude of the angular momentum of the Venus in a circular orbit around the sun. The Venus has mass 4.87×1024 kg
Coherent light with wavelength 599nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00m from the slits. The first-order bright fringe is a distance of 4.84mm from the center of the central b..
Which of the following particles carries nuclear interactions?
a projectile of mass 0.212kg is shot from a cannon. The end of the cannon barrel is at height 6.4m, the initial velocity of the projectile is 9.3m/s. How long does it take the projectile to hit the ground
What is the velocity of each ball. while both pipes vibrate at their fundamental frequencies, a beat frequency of 15 Hz is heard. How many centimeters were cut off the end of the second pipe? The speed of sound is 343 m/s.
Estimate the time the ball is in contact with the floor to be 0.06 seconds. Compute the average force the floor exerts on the ball.
The capacitance of the cell membrane is estimated to be 89 pF, estimate the total number of sodium ion channels in the membrane of a nerve cell
Eris, the largest known dwarf planet in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. Use these numbers to calculate the escape speed from the surface of Eris
During normal beating, the heart creates a maximum 3.50 mV potential across 0.290 m of a person's chest, creating a 1.00 Hz electromagnetic wave. What is the wavelength of the electromagnetic wave
A parachutist with a camera, both descending at a speed of 11 m/s, releases that camera at an altitude of 140 m. Explain how long does it take the camera to reach the ground?
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