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A counter attendant in a diner shoves a ketchup bottle with a mass 0.30 kg along a smooth, level lunch counter. The bottle leaves her hand with an initial velocity 2.8 m/s. As it slides, it slows down because of the horizontal friction force exerted on it by the countertop. The bottle slides a distance of 1.0 m before coming to rest. What are the magnitude and direction of the friction force acting on it?
A typical lightbulb in your house is rated 200 W, which means that the bulb dissipates 200 W when connected to a DC voltage of 110 V. What is the current through the lightbulb
A piece of aluminum with a mass of 1kg and density of 2700 kg/m^3 is suspended from a string and then completely immersed in a container of water. Determine the volume of the aluminum
The maximum pressure that can be obtained in your local mechanic's hydraulic pump is 2.0 x 10^5 Pa. what is the largest mass (of car) for which the pump will work
If the player hears the sound of the splash 3.19 s later, illustrate what was the initial speed given to the rock? Assume the speed of sound in air to be 343 m/s.
A spaceship traveling at speed .5c towards earth ejects a spacepod traveling in the forward direction at speed .25c relative to the spaceship, what is the speed of the light signal relative to the earth in terms of c
The company adheres to a 60% dividend payout ratio and has a P/E ratio of 19. There are 21,000 shares of stock outstanding. Illustrate what is the amount of the annual net income for the firm?
A flask is filled with 1.55 L (L = liter) of a liquid at 98.7 °C. When the liquid is cooled to 15.7 °C, its volume is only 1.32 L, however. obtain the coefficient of volume expansion of the liquid
In an organ pipe open at one end and closed at the other, the fundamental frequency emitted is 240 Hz. find the next overtone frequency
A 1.2 kg wood block is launched up a wooden ramp that is inclined at a 24° angle. The block's initial speed is 13 m/s. What vertical height does the block reach above its starting point
A 15.0 kg stone slides down a snow-covered hill (the figure ), leaving point A with a speed of 12.0 m/s. There is no friction on the hill between points A and B, How far will the stone compress the spring
2150 kg satellite is in a circular orbit 780 km (780 x 103 m) above the surface of the earth. What is the speed of the satellite in its orbit
a 900kg car is initially moving with a speed of 30 m/s when it applies its ABS brakes to come to a stop. determine the time and distance needed for the car to come to a complete stop
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