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Problem: A biologist is studying the growth of rats in an orbiting space station. To determine a rat's mass, she puts it in a 330g cage, attaches a spring scale, and pulls so that the scale reads 0.42N.
Part A: If the resulting acceleration of the rat and cage is 0.45m/s2, what is the rat's mass?
Show work or points will not be awarded.
An object with mass m1 = 6.00 kilogram, rests on a frictionless horizontal table, Evaluate the acceleration of each object and the tension in the cable
A ski starts from rest and slides down a 21degree incline 90 m long. Use energy methods. If the coefficient of friction is 0.09, find the ski's speed at the base of the incline
A small button placed on a horizontal rotating platform withdiameter 0.320m will revolve with the platform when it is broughtup to a speed of 40.0 rev/min, How far from the axis can the button be placed
These two waves travel along the same string: y1 = (4.17 mm) sin (2.24?x - 300?t), y2 = (5.96 mm) sin(2.24?x - 300?t + 0.727?rad). What are (a) the amplitude and (b) the phase angle (relative to wave 1) of the resultant wave?
A 54kg sprinter, starting from rest, runs 60m in 7.0s at constant acceleration. What is the magnitude of the horizontal force acting on the sprinter? What is the sprinter's average power output during the final 2.5s
The light shining on a diffraction grating has a wavelength of 490 nm (in vacuum). How many lines per centimeter does the grating have
In a home laundry dryer, a cylindrical tub containing wet clothes is rotated steadily about a horizontal axis as shown in the figure below. what rate of revolution is needed
A student throws a ball vertically upward such that is travels 7.1 meter to its maximum height. Estimate what is the ball average speed
In electronics it is customary to describe the potential of ground (thinking of the earth as a large conductor) as zero. Is this consistent with the fact that the earth has a net electric charge that is not zero? (Refer to ex. 21.32)
A 5.56 10-5 H solenoid is constructed by wrapping 62 turns of wire around a cylinder with a cross-sectional area of 8.30 10-4 m2 , Determine the change in the length of the solenoid.
If a salvage worker accidentally drops a filled, sealed barrel overboard, it will float in the seawater. Find fraction of its volume will be above water surface
A Young’s double slit system consists of slit spacing, d=1mm, and slit width, a=0.8µm. What is the intensity of the light relative to the central maximum at an angle of 15o from the central axis for 600nm light? [10 points.] (Please state whether you..
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