 , 08.11.2019 06:31 abiszcz21

# Aball is dropped from an initial height and allowed to bounce repeatedly. on the first bounce (one up-and-down motion), the ball reaches a height of 32 inches. on each successive bounce, the ball reaches 75% of its previous height. what is the total vertical distance that the ball travels in 10 bounces? (do not include the initial height from which the ball is dropped.)   ### Another question on Physics Physics, 21.06.2019 19:00
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Adevice for heating a cup of water in a car connects to the car's battery, which has an emf emf = 10.0 v and an internal resistance r_int = 0.04 ohms . the heating element that is immersed in the cup of water is a resistive coil with resistance r. (a) david wants to experiment with the device, so he connects an ammeter into the circuit and measures 12.0 a when the device is connected to the car's battery. from this, he calculates the time to boil a cup of water using the device. if the energy required is 100 kj, how long does it take to boil a cup of water? (b) the energy delivered to the resistive coil is dissipated as heat at a rate equal to the power input of the circuit. however, not all of the energy in the circuit is dissipated by the coil. because the emf source has internal resistance, energy is also dissipated by the battery as heat. calculate the rate of dissipation of energy pbat in the battery.
Aball is dropped from an initial height and allowed to bounce repeatedly. on the first bounce (one u...
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