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A lava bomb is a missile composed of cooling, practicallysolid lava. You are a geologist, watching a volcano launch a lava bomb straight upward. According to your stopwatch, it takes exactly 15.0 seconds for the lava to fall back to its initial point. Assuming no air drag:
(A) What is the Initial Speed at which the lava bomb got launched?
(B) What is the maximum height reached by the lava bomb, above the volcano?
(C) How long after initial launch does the lava bomb's acceleration go to zero?
(D) What is the final speed at which the lava bomb hits the volcano on its way down?
how long does the block remain in contact.
The interior temperature is kept at 5°C, while the temperature at the outside surface is 25°C. Explain by how much heat per second is being removed from the unit?
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During an earthquake, the floor of an apartment building is measured to oscillate in approximately simple harmonic motion with a period of 1.60 seconds and an amplitude of 9.00cm, Determine the maximum speed of the floor during this motion
While john is travelling along an interstate highway, he notices a 166 mile marker as he passes through town. Later john passes another mile marker, 105.
A jet is flying horizontally. when the plane is directly overhead at B, A person on the ground hears the sound coming from A. the average temperature of the air is 20 degrees celcius. if the speed of the plane at A is164 meters per second, what is..
Find an average magnitude of the induced emf . A bungee jumper, who's mass is 79 kg, jumps from a tall building. After reaching his lowest point, he continues to oscillate up and down, reaching the low point two more times in 8.2 s.
Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and a thundercloud. How much charge flows between the ground and the cloud
After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 1.69 km away. Her dog runs ahead, at twice the speed, reaches the campground and turns around until it meets her again. Then, the dog proce..
A turbine that uses steam drives an electric generator. The inlet stream flows through a 10 cm diameter pipe to the turbine at 2.5 kg/s at 600°C and 1000 kPa. The exit steam discharges through at 25 cm diameter pipe at 400°C
You're an accident investigator at a scene where a drunk driver in a 1900 kg car has plowed into a 1800 kg parked car with its brake set. What do you report for the drunk driver's speed just before the collision
James Stewart, 2002 Motocross/Supercross Rookie of the Year, is leading a race when he runs out of gas near the finish line. Determine the distance the racer travels before coming to a stop
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