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The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.03 N on Earth. (a) What is the weight of the apple on the Moon? (b) What is the mass of the apple?
A thermos contains 165 cm3 of coffee at 85° C. To cool the coffee, you drop two 14-g ice cubes into the thermos. The ice cubes are at first at 0° C and melt completely. What is the final temperature of coffee? Treat the coffee as if it were water.
Utilizing an information provided in your course text, complete the "Motivation Concepts Table." This table will serve as a convenient quick reference for the remainder of the course.
A 1250 kg car is moving at 5.0 m/s collides with and couples with the 750 kg car. What is the resulting speed of the coupled cars.
What are the velocities of the two people after the snowball is exchanged? Disregard friction between skate and the ice.
A pipe open at one end has a fundamental frequency of 256 Hz. A second pipe,identical to first pipe, is shortened by cutting off a portion of the open end. When both pipes vibrate at their fundamental frequencies, a beat frequency of 12 Hz is heard..
What is the total mass of the reagents used in the combustion throughout the 30 days . The ball makes 17 oscillations in 16 seconds. What is it the mass of the ball.
A disk is reputed to accelerate from 0 to 389 RPM in 3.5 seconds. How many radians does it turn through.
The gravitational force between two electrons that are 0.97 m apart is 5.76 multiplied by 10-71 N. Find out the mass of an electron. (Use G = 6.67 10-11 N · m2/kg2.)
A luminous object 3.0 mm high is placed 200 mm from a convex mirror of radius of curvature 200 mm. Show that the (negative) image distance can be computed using a focal length of -100mm. Compute the image size?
100.0 W tungsten filament bulb generates 95.0 W of heat, which dissipated through glass bulb which has radius of 3.00 cm and 0.500 mm thick. If thermal conductivity of glass is 0.836 W/m°C, determine difference in temp. between inner and outer sur..
A person pulls a toboggan for a distance of 40m along the snow with a rope directed 25 degrees above the snow. The tension in the rope is 83N.
A baseball (m = 155 g) approaches a bat horizontally at the speed of 40.5 m/s (91 mi/h) and is hit straight back at a speed of 45.5 m/s (102 mi/h).
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