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A leopard seal jumps onto an uphill ice flow at 7 m/s. The ice is flat but sloped at 30o to the horizontal. The leopard seal has a mass of 110 kilogram and just manages to reach an unfortunate penguin that is 3.7 meter away from the water, along the ice surface. Find the magnitude of the friction force on the seal? Determine how long is it before the seal slides back into the water?
A 0.580kg glider on an air track is attached to the end of an ideal spring with force constant 458 N/m; it undergoes simple harmonic motion with an amplitude of 4.00×10?2 m. Compute the maximum speed of the glider. Compute the speed of the glider ..
a capacitor has parallel plates that have an area of 1.03 cm2 and are 1.04mm apart. there is a vacuum between the
Two forces act on a 6.00-kg object. One of the forces is 10.0 N.If the object accelerates at 2.00 m/s2, what is the greatest possible magnitude of the other force?
An office window has dimensions 3.4 m by 1.7 m. As a result of the passage of a storm, the outside air pressure drops to 0.95 atm, but inside the pressure is held at 1.0 atm.
when a charged particle moves at an angle of 20deg with respect to a magnetic field it experiences a magnetic force of
A 150 g aluminum cup contains 150 g of water and both are at 13 C. If you add 150 g of hot water at 90 C what is the final temperature at thermal equilibrium? How much hot water at 90 C needs to be added to achieve a final temperature of 44 C?
A 75 g chunk is heated to 100 Celsius and the dropped into 0.5 Kg of water initially at 22 Celsius. What is the final temperature of the chunk of metal
A cart of mass 360 g is placed on a frictionless horizontal air track. A spring having a spring constant of 9.0 N/m is attached between the cart and the left end of the track.
A water-skier is moving at a speed of 14.3 m/s. When she skis inthe same direction as a traveling wave, she springs upward every0.838 s because of the wave crests. evaluate the speed and the wavelength of the wave
A lifeguard sits on his watchtower at the edge of the pool at a height h=2.0m above the surface of the water. What is the depth of the pool at the location of the watch
The orbiting space shuttle moves around Earth well above 99 percentof the atmosphere, What is the maximum wavelength in the solar spectrum
A golf club strikes a 0.045-kg golf ball in order to launch it from the tee. find With what speed does the ball leave the club
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