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a 27.2 g arrow is fired with a velocity of 87.3 m/s from a bow with a mass of 2.45 kg. Find the impulse on the arrow
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure
A golf club strikes a 0.044-kg golf ball in order to launch it from the tee. For simplicity, With what speed does the ball leave the club
In a diffraction grating experiment, light of 600 nm wavelength produces a first-ordered maximum 0.35 mm from the central maximum on a distant screen. What is the wavelength of the light from the se
As the earth rotates, what is the speed of a physics student in Miami, Florida, at latitude 26°? What is the speed of a physics student in Fairbanks
Ships A and B leave port together. For the next two hours, What is the distance between the two ships two hours after they depart
A metal rod 32 cm long moves in a plane perpendicular to a magnetic field of 200 G. Find the speed of the rod if the potential difference between the ends is 6 V
Ray decides to paint the outside of his uncle's house. He uses a 4.0-m-long board supported by cables at each end to paint the second floor. find the force that the right cable exerts on the board
ball rolls onto the path of your car as you drive down a quiet neighborhood street. To avoid hitting the child that runs to retrieve the ball, How far did the car move while breaking
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. find How long was the ball in flight
Two teams of nine members each engage in a tug of war. The first team's members have average masses of 73 kg, What is the acceleration of the two teams
A box-shaped wood stove has dimensions of 0.75 m x 1.2 m x 0.40 m an emissivity of 0.80, Calculate its rate of radiation into the surrounding space
From a height of 35.5m , a 1.50kg bird dives (from rest) into a small fish tank containing 53.5kg of water. What is the maximum rise in temperature of the water
You toss a ball up in the air with an initial velocity of 8 m/s (immediately after leaving your hand). Use gravity = -9.8 m/s2. What is its acceleration at its peak height
How much heat is required to raise the temperature of 0.265kg of water from 20.4 degrees C to 31.8 degrees C
For a particular scientific experiment, it is important to be completely isolated from any magnetic field, including the earth's field. What is the current in the current loop
A 1000-kg car is moving at 30 m/s around a horizontal curve whose radius is 100m. What is the magnitude of the frictional force
A stone is dropped from a cliff; 2.47 s later another stone is thrown downward with an initial speed of 35 m/s. Find the height of the cliff
A spherical shell of copper with an outer diameter of 19.0 cm floats on fresh water with one third its volume above the water's surface
The density of ma ial at the center of a neutron star is approximately 1.00 x 10^18 kg/m^3. Calculate the mass of a cube
A nuclear power plant operates at 75% of its maximum (Carnot) efficiency between temperatures of 625 degree C, how much exhaust heat is discharged per hour
A child and sled with a combined mass of 57.0 kg slide down a frictionless slope. what is the height of the hill
a thin double convex lens is to focus the image of an object onto a screen so that the image is life sized. how far is the screen from the object
You need to push a box across the room. which side of the box should be the side down on the floor
A circuit has a resistance of 1 ?; a reactance, due to the capacitance, of 27 ?; Find the impedance of the circuit