A person is using a rope to lower a 5.0-N bucket into a well with a constant speed of 2.0 m/s. What is the magnitude of the force exerted by the rope on the bucket?
A) 0.00 N
B) 2.0 N
C) 5.0 N
D) 10 N
E) 49 N
C
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What type of dunes exist on Titan?
A. dust dunes B. sand dunes C. ice crystal dunes D. We have not discovered any dunes on Titan.
The SAE grade (e.g. SAE 20W) is an indicator of oil
A) surface tension. B) pressure. C) viscosity. D) density. E) Reynolds number.
A 350-g air track cart on a horizontal air track is attached to a string that goes over a frictionless pulley with a moment of inertia of 6.00 × 10-6 kg ? m2 and a radius of 1.35 cm
If the string is pulled vertically downward by a force of 2.50 N, (a) what is the magnitude of the acceleration of the cart, and (b) what is the tension in the horizontal string between the pulley and the cart?
A depression on the land surface caused by the collapse of a cavern is called a(n)______________
Fill in the blank(s) with correct word