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Sam, whose mass is 75 kg, takes off across level snow on his jet-powered skis. The skis have a thrust of 200 N and a coefficient of kinetic friction on snow of 0.1. Unfortunately, the skis run out of fuel after only 10 s. What is Sam's top speed? (in meters/second)How far has Sam traveled when he finally coasts to a stop? (in meters)
An amount of gas in a well-insulated container is compressed reversibly and adiabatically to half its initial volume. Does the entropy of the gas decrease, increase, or stay the same?
A object is moving along a straight line and the uncertainty in its position is 0.7 m. Discover the minimum uncertainty in the momentum of the object. Discover the minimum uncertainty in the object's velocity, assuming that the object is a golf ball ..
A certain dog whistle operates at 23.0 kHz while another (brand X) operates at an unknown frequency. estimate the operating frequency of brand X
A coil is wrapped by 200 turns of wire on a square frame with sides 18cm. A uniform magnetic field is applied vertical to the plane of the coil and into the page. If the field changes uniformly from 0.50T to 0 in 8.0 seconds, discover the average val..
A1.0 mm diameter, 50 cm long copper wire carries a 5.0 Amp current. What is the potential difference between the ends of the wire
explain the energy released in the explosion. A rock stuck in the tread of a 59.0 cm diameter bicycle wheel has a tangential speed of 3.20 m/s. When the brakes are applied, the rock's tangential deceleration is 1.20 m/s^2
A fighter pilot dives his plane toward the ground at 230 m/s.He pulls out of the dive on a vertical circle. What is the minimun radius of the circle
the positive side of a 10v battery is connected to a 10 ohm resistor which is connected in series to a 20 ohm resistor
if the energy of a vibrational transition from the n 0 state to the n 1 state in co could be absorbed in a rotational
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gasses called air. how many gas molecules does the flask contain
After performing an experiment concerning charging a capacitor Sally noticed that the potential difference across the capacitor reached 2/3 of its final value after 18 seconds. find the time constant for the resistor-capacitor combination
A uniform, thin, solid door has height 2.40 m, width 0.900 m, and mass 22.5 kg. Find its moment of inertia for rotation on its hinges
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