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A disk of mass m= 5^kg and radius r=0.5 m rolls to the right under the influence of force P= 40N. What is the minimum static coefficient of friction for the disk not to slip?
For the following circuit: V1 = 300 V, R1 = R4 = 10 ?, R2 = R3 = 20 ? and R5 = 40 ?. Find the equivalent resistance of the network
On a frictionless horizontal surface a 1.50 kg mass traveling at3.50 m/s collides with and sticks to a 300 kg mass that isinitially at rest. This system runs into an ideal spring forceconstant 50.0 N/cm.
An astronaut on a distant planet wants to determine its acceleration due to gravity. find the acceleration due to gravity on this planet
A bronze cannon ball with a mass of 3.5 kg is fired vertically from a small cannon and reaches a height of 25.0 m. find the maximum height reached by the cannon ball
A meteor of mass 575 kg has speed 90.0 m/s when it is 800 km above the surface of the Earth. It is falling vertically and strikes a bed of sand. What is the average force exerted by the sand on the meteor
A 75kg skater starts at a height of 6m above ground, the speed at the lowest point of the track is 10.84 m/s^2. Calculate the speed of the skater
A ray of white light is incident on an Acrylic surface at an angleof 40 degrees. calculate the angel of refraction for the blue and redlight
A screen is placed 51.0 cm from a single slit, which is illuminated by light of wavelength 681 nm. If the distance among the first and third minima in the diffraction pattern is 2.90 mm, what is the width of the slit?
A boat floating in fresh water displaces water weighing 33.0 kN. What is the weight of the water that this boat displaces
Block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3 m and then collides with stationary block 2, which has mass m2 = 5m1. What is the value of distance d if the collision is Elastic inelastic.
In order better to map the surface features of the Moon, a 379-kg imaging satellite is put into circular orbit around the Moon at an altitude of 1.21 × 10^2 km. Calculate the satellite\'s gravitational potential energy
A proton moves perpendicularly to a uniform magnetic ?eld B with a speed of 1.9 × 10 ^7 m/s and experiences an acceleration of 8 × 10 12 m/s 2 in the positive x direction when its velocity is in the positive z direction. The mass of a proton is 1...
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