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A 'clicker' is sounding at 12 Hz. If you are moving towards the 'clicker' at 29 m/sec, what frequency do you hear instead?
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question: A single loop of wire with an area of 9.03Ã-10-2 m^2 is in a uniform magnetic field that has an initial value of 3.66 T, is perpendicular to the plane of the loop, and is decreasing at a constant rate of 0.199 ...
John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?
Question: A small 100 g cart is moving at 1.20 m/s on a friction less track when it collides with a larger, 1.00 kg cart at rest. After the collision, the small cart recoils at 0.850 m/s. What is the speed of the large c ...
Question: Why does a satellite in a circular orbit travel at a constant speed? a. There is no component of force acting along the direction of motion of the satellite. b. The net force acting on the satellite is zero. c. ...
Question: A peregrine falcon in a tight, circular turn can attain a centripetal acceleration 1.5 times the free-fall acceleration. If the falcon is flying at 20 m/s, what is the radius of the turn? The response must be t ...
Two forced of magnitudes 6.0 N and 8.0 N act on an object. What relationship between the directions gives the smallest magnitude net force and what is this magnitude?
What is the (magnitude of the) velocity of a rollercoaster at the bottom of a track that is 89.8 m high if it starts from rest? (Use the value g = 9.8 m/s2 for the acceleration of gravity.) Please provide work to explain
Question: A superball with mass m equal to 50 grams is dropped from a height of hi = 1.5 m . It collides with a table, then bounces up to a height of hf= 1.0m. The duration of the collision (the time during which the sup ...
Question: A stretched spring stores 2.2 of energy. How much energy will be stored if the spring is stretched three times as far? The response must be typed, single spaced, must be in times new roman font (size 12) and mu ...
Question: A picture window has dimensions of 1.40 m x 2.50m and is made of glass 6.00mm thick. On a winter day, the outside temperature is -15.0?C , while the inside temperature is a comfortable 21.0°C . Part A: At what ...
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