Physics, 19.01.2021 21:00 debrielcalderon
A 2 kg blob of sticky putty is thrown with a velocity of 5 m/s at a 1 kg doll. After impact, the putty sticks to the doll and continues flying in the same direction. How fast is the ball or the doll moving after impact
Answers: 2
Physics, 22.06.2019 00:00
A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocketâs acceleration during the first 16-s? b. what is the rocketâs speed as it passes through a cloud 5100-m above the ground?
Answers: 1
Physics, 22.06.2019 07:20
Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?
Answers: 2
Physics, 22.06.2019 12:30
Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (Ď = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.
Answers: 1
A 2 kg blob of sticky putty is thrown with a velocity of 5 m/s at a 1 kg doll. After impact, the put...
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