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A lead bullet weighing 0.0200 lbf and traveling horizontally at 3000. ft/s is suddenly stopped by a perfectly rigid object that does not deform during the impact. Find the temperature rise of the bullet assuming the impact occurs so rapidly that the impact process can be considered to be adiabatic. For lead, use fu = 0.0130(T) in Btu/lbm, where T is in °F or R.
How high up a frictionless incline could mass climb? How far could the mass skid on a level table with a static mu of 0.70 and a kinetic mu of 0.50.
Light of wavelength 418 nm is incident normally on a film of water 1.0 µm thick. The index of refraction of water is 1.33. What is the wavelength of the light in the water
When at rest, two trains have sirens that emit a frequency of 300 Hz. The trains travel toward one another and toward an observer stationed between them, What is the speed of the second train
Two point charges Q1 = +4.30 nC and Q2 = -2.30 nC are separated by 27.0 cm. What is the potential energy of the pair of charges
If 1.00 mol of oxygen is heated at constant pressure of 1.00 atm from 10.0?C to 25.0?C. What is the change of volume of the gas in this process
A car is moving with constant acceleration along a straight road. Determine how the velocity varies for positive acceleration if the car is initially moving to the right with a speed of 10.0 m/s
A scaffold of mass 57 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter
The mass of the Earth is 5.98 ? 1024 kg, Locate the center of mass of the Earth-Moon system as measured from the center of the Earth
A 20kg box slides up a 12m long incline at an angle of 30 degrees with the horizontal. What is the change in gravitational potential energy
Two identical +9.5uC point charges are initially 3.5cm from each other. If they are released at the same instant from rest, hoe fast will each be moving when they are very far away from each other? suppose they have identical masse of 1mg.
An astronomical telescope is designed with an overall magnification of 80x. The objective has a focal length of 98.0 cm. How far should the eyepiece be from the objective
An object of mass 2.5 kg on a table is connected to a hanging object of mass 11.2 kg by means of a string via a pulley. Caculate the acceleration of the system
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