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A) A tire is filled with air at 15 oC to a gauge pressure of 220 kPa. If the tire reaches a temperature of 38 oC, what fraction of the original air must be removed in order to maintain the same tire pressure?
B) How much energy do you need to boil off 2 kg block of ice?
Explain the velocity of two different objects: heavy rock & light feather. 1st, describe what happens when the two objects are dropped on Earth. 2nd, compare this to what happens on the Moon.
A simple pendulum has a length of 52.5 cm and makes 83.0 complete oscillations in 2.00 min, Find the value of g at the location of the pendulum
Determine the magnitude of the emf EMF induced in the loop after exactly time 6.00 s has passed since the circumference of the loop started to reduce.
What must be the value of the putty mass m so that the amplitude after the collision is one-half the original amplitude.
The box has a mass of 31.0 kg, and the coefficient of kinetic friction between the box and floor is 0.530. The acceleration of gravity is 9.81 m/s2. Illustrate what is the acceleration of the box?
Find out the speed of a 56.7 kg thrill seeker at the bottom of the slide, assume no friction. If the thrill seeker has a speed of 24.1 m/s at the bottom, find out the change in mechanical energy due to friction.
A series ac circuit is shown. The inductor has a reactance of 80 Omega and an inductance of 200 mH. A 90- Omega resistor and a capacitor whose reactance is 130 Omega , are also in circuit. The rms current in the circuit is 1.3A. What is the phase ..
Heat is another word for thermal energy. Dissimilar materials at the same temperature can contain different amounts of heat.
How would you describe the discoveries of Benjamin franklin, Robert millikan, cgarles-augastin de coulomb and Ernest ruthford
The coefficient of kinetic friction for wood sliding on wood is 0.20. What is the final speed of the bullet
A device operates in a three process cycle. In process one, the device receives 35kJ of heat and does no work. Determine the COP or efficiency as applicable
Cheetahs, fastest of the great cats, can reach 45 in 2 starting from rest. Assume that they have constant acceleration throughout that time, find their acceleration (in (a) and (b) ) and the distance (in (c) and (d) ) Q2. They travel during that t..
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