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Solve the all parts of following question:
Question: A rock is tossed straight up with a velocity of 21m/s When it returns, it falls into a hole 10m deep.
Part I: What is the rock's velocity as it hits the bottom of the hole?
Part II: How long is the rock in the air, from the instant it is released until it hits the bottom of the hole?
I need help to find the rock's velocity as it hits the bottom of the hole.
A cargo plane is flying horizontally at an altitude of 20.0 km with a speed of 888 km/h when a large crate falls out of the rear loading ramp. How far is the crate from the aircraft when the crate hits the ground
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An electron in a picture tube moves with an acceleration of 7.0 × 1016 m/s2. What is the magnitude of the electric field in the tube
Two protons in an atomic nucleus are normally separated by a distance of 2.0 X 10-15 m. The electric repulsion force among the protons is huge, but the attractive nuclear force is even stronger and keeps the nucleus from bursting apart. What is the m..
a 80 kg fullback attempts to score a touchdown by diving over the goal line. when he is at the goal line and moving
An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 445 Hz when the train is approaching him and 418 Hz when the train is receding from him. Using these frequencies, h..
You operate a small grain elevator near Champaign, Illinois. One of your silos uses a bucket elevator that carries a full load of 800 kg through a vertical distance of 40 m. (A bucket elevator works with a continuous belt, like a conveyor belt.)
A 12.0-g sample of carbon from living matter decays at the rate of 177.5decays/minute due to the radioactive 14C in it. What will be the decay rate of this sample in 1000 years
What is least value for which stick remain in equilibrium
Assume that a CCD pixel is a uniformly made cube of silicon. The relation between pixel size and full well capacity is roughly true for real CCDs. Discuss what applications might require a CCD with large pixels and with small pixels.
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