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Question: It takes you 9.5 minutes to walk with an average velocity of 1.2 m/s to the north from the bus stop to museum entrance. What is your displacement?
while Jo moves off in the opposite direction at a speed of 0.946m/s. assuming that friction is negligible, find out Al's mass.
Two ice skaters, with masses of 40.0kg and 85.0kg , are at the center of a 60.0m -diameter circular rink. how long does the lighter skater take to reach the edge
A shopper pushes a cart 49 m south down one aisle and then turns 90.0° west and moves 11 m. What is the smallest possible displacement of the shopper
Find the force to keep object moving.
A landing craft with mass 1.26×104 is in a circular orbit a distance 5.90×105 above the surface of a planet. The period of the orbit is 5600. The astronauts in the lander measure the diameter of the planet to be 9.80×106.
A Carnot refrigerator extracts 30.0 kJ as heat during each cycle, operating with a coefficient of performance of 5.00. find the energy per cycle transferred as heat to the room
What is the shortest height a plane mirror must be so that a person who is 1.6 meters tall is able to see his or her whole body? plan a ray diagram to support your answer.
The length of a simple pendulum is 0.75 m and the mass of the particle (the "bob") at the end of the cable is0.40 kg. What is the angular frequency of the motion
A car weighing 1.09 104 N is at rest on a 30.5° incline. Each wheel bears an equal part of the car's weight. Find the frictional force exerted by the road on each wheel
A whale swims due east for a distance of 5.1 km, turns around and goes due west for 6.1 km, What is the total distance traveled by the whale
What is the electric potential energy of a system that consists of two protons 2.0×10?15 apart-as might occur inside a typical nucleus?
Energy Budget and Habitability
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