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Q. After a day of testing race cars, you decide to take your own 1580kg car onto the test track. While moving down the track at 10.0 m/s, you uniformly accelerate to 28m/s in 10 s. What is the average net force that you have applied to the car throughout the 10s interval?
Q. A certain pendulum clock that works perfectly well on Earth is taken to the moon, where g=1.63m/s2. The acceleration because of gravity is 9.81 m/s2. The clock is started at 12:00 am and runs for 24 hours. What would be the reading for the hours in units of h, what would be the reading for the minutes in units of min, and what would be the reading for the seconds in units of sec?
A rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380m/s. The bullet strikes a block of wood and penetrates to a depth of 14cm. What resistive force (assumed to be constant) does the wood exert on the bullet? How lo..
The bunchberry flower has the fastest-moving parts ever seen in a plant.at first , the stamen are held by the petals in a bent position, storing elastic energy like a coiled spring.
What is the horizontal component of superhero's displacement.
On a cello, the string with the largest linear density (1.54 10-2 kg/m) is C string. This string produces a fundamental frequency of 63.4 Hz and has the length of 0.795 m between the two fixed ends. Find tension in the string.
A 38 g bullet is fired with a speed of 180 m/s into a 5 kg sandbag pendulum that is free to swing. To what maximum vertical height will the pendulum rise.
Use Gauss law to compute amount of charge
The diodes are oppositely oriented, so that when one diode is forward-biased, the other is back-biased. Which phrase best describes the current in the circuit.
Then find the force between them as a function of distance h. describe why the sign of the force does (or does not) make sense to you.
The minimum distance required to stop a car moving at 38.0 mi/h is 41.0 ft. What is the minimum stopping distance for the same car moving at 68 mi/h, suppose the same rate of acceleration.
What must be the value of the putty mass m so that the amplitude after the collision is one-half the original amplitude.
What is the charge on a 1.0 cm length of wire. What is the net force exerted on the skier.
How many kilograms of water at 100 degrees Celsius can be converted to steam by the addition of 1.13X10^7 joules of thermal energy.
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