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Determine the normal force for a laundry basket with a mass of 4.2 kg in each of the following situations
(a) at rest on a horizontal surface
_____ N
(b) at rest on a ramp inclined at 12° above the horizontal
__________ N
(c) at rest on a ramp inclined at 25° above the horizontal
________ N
(d) at rest on a ramp inclined at 45° above the horizontal
_______N
A student drives the 100 mi trip back to campus afterspring break and travels with an average speed of 61 mi/h for 1hour and 30 minutes. what distance was traveled during this time? Traffic get heavier, and the last part of the trip takesanother ha..
Find the direction of the current if the axial component of the field points away from the viewer
A two-slit pattern is viewed on a screen 1.25 m from the slits. If the two third-order minima are 29.0 cm apart, what is the width of the central bright fringe? (This is the distance between the nearest minima which bracket the central fringe.)
A double-slit interference pattern is created with two narrow slits spaced 0.2 mm apart. The distance among the first and the fifth minimum on a screen 60mm behind the slits is 6.0 mm. What is the wavelength of the light utilized in the experiment?
While rearranging a dorm room, a student does 435 J of work in moving a desk 2.5 m. What was the magnitude of the applied horizontal force
A circular loop carries a current I. It is placed in a constant magnetic field in such a way that the field lines are perpendicular to the lane of the circle
An 9.0 m, 240 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.60, and the ladder makes a 50.0° angle with the ground. How far up the ladder can an 880 N person climb before the l..
A storage tank 30 m high is filled with gasoline. Calculate the force that acts on a square access hatch at the bottom of the tank measures .5 m by .5 m
A gas of diatomic molecules is in equilibrium at a temperature of 340 K. Compute the mean angular momentum of the molecules
The water was originally at 0°C. The specific heat of water = 1.00 kcal/kg×°C, The original temperature of the ice was:
a lead ball is dropped into a lake from a diving board 18 ft. above the water. it hits the water with a certain
Monochromatic light of variable wavelength is incident normally on a thin sheet of plastic film in air. The reflected light is a maximum only for 472.9 and 696.0 in the visible spectrum. What is the minimum thickness of the film.
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