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Consider a block of mass m sliding down an inclined plane andit has three forces acting on it (1) a gravitational force(pointing down). (2) a normal force perpendicular to the surface ofthe plane. (3) a friction force opposing motion down the plane.
In the case of a surface with negligible, Friction force iszero, and there are only two external forces acting on the block. What will the acceleration of a cart be according to thetheory- Newton's laws?
How will it compare to the magnitude of the gravitational acceleration g?
Two point charges q1 = 3.0 x 10-8 C and q2 = 2.0 x 10-8 C are located on the x axis at x1 = 0.2 m and x2 = -0.3 m
A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible, What is the person's mass
a spinning disc rotating at 130 rev/min slows and stops 31 s later. how many revolutions did the disc make during this time
An olive is at the bottom of a glass of alcohol (n = 1.36), 5.10 cm beneath the surface. what is the apparent depth d' of the olive
At the beginning of the interval the astronaut is moving toward the right along the x-axis at 15.40, and at the end of interval she is moving toward the right at 5.40.
Your new sports car of mass m is accelerated from rest at t=0 with constant power P along a level road. ingore any resistance effects, find the speed of your car as a function of time
two point charges of 30 nc and -40 nc are held fixed on an x axis at the origin and at x 76 cm respectively. a
A reflecting, spherical Christmas tree ornament has a diameter of 20 cm. A child looks at the ornament from a distance of 40 cm. define the image she sees. Where is the image locate.
A 73 kg parachutist descends during a vertical height of 420 m with constant speed. Find the increase in entropy produced by the parachutist; assume the air temperature is 21°C.
A 9000pF capacitor holds plus and minus charges of 1.35×10?7C . What is the voltage across the capacitor
a vertical straight wire carrying an upward 28 -a current exerts an attractive force per unit length of 6.710-4 nm on a
Assume a rocketship in deep space moves with constant acceleration equal to 9.8 m/s2, which gives the illusion of normal gravity during the flight. Estimate the time required by a rocketship to attain the speed of light and the distance travelled t..
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