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In both (a) and (b) the acceleration on the 5-kg box (M) is as large as it can be without the box sliding. Find the coefficient of static friction for each case if the magnitude of the acceleration is 4 m/s2.
(a) The box is on the bed of a truck that is accelerating on flat ground.
(b) The box is in a skiing gondola on its way to the top of the mountain. The gondola does not swing during the motion.
Elucidate in detail the image of the "A" you would see as you look into the balloon with "A" facing you.
A camera lens with index of refraction greater than 1.34 is coated with a thin transparent film of index of refraction 1.13 to eliminate by interference the reflection of light at wavelength ? that is incident perpendicularly on the lens. What multip..
A 6.27kg box sits on a ramp that is inclined at 37.0 degrees above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.30. What horizontal force is required to move the box
Suppose you are driving on the interstate at 90 mph when you see a highway patrol car parked upahead. You apply your brakes, decelerating at a constant rate of4.4 mph/sec until you have reduced your speed to 65 mph.
q1. two speakers one straight behind the other are each generating a 547-hz sound wave. what is the smallest separation
If the spring is stretched by 1.4 times the value in part A, and then released from rest, and the coefficient of kinetic friction between the box and the plank is 0.34, what is the magnitude of the initial acceleration of block as it starts moving..
what the electrostatic force acts on the proton.
Your car's wheels are 65 cm in diameter and the wheels are spinning at an angular velocity of 107 rad/s. How fast is your car moving in kilometers per hour
A virtual image is formed 22.0cm from a concave mirror having a radius of curvature of 44.0cm. find the position of the object
A 1.08 kg mass is at the center of a uniform spherical shell of mass 1.05 1020 kg and radius 1.11 106 m. Find the resultant gravitational force on the mass
Two vectors, r and s lie in the xy plane. Their magnitudes are 4.57 and 6.73 units, respectively, and their directions are 327 and 36, respectively, as measured counterclockwise from the positive x axis What are the values of (a) r.s and (b) vertical..
A multicylinder gasoline engine in an airplane, operating at 2.35 103 rev/min, takes in energy 7.83 103 J and exhausts 4.57 103 J for each revolution of the crankshaft. What is the torque exerted by the crankshaft on the load?
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