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An object starting from rest begins to rotate with constant angular acceleration a. In a time t the object rotates through an angle theta. Through what angle did the object rotate in time t/3?
A. Theta
B. Theta/2
C. Theta/3
D. Theta/4
E. Theta/9
F. None of the above.
Light of wavelength 550nm in air is found to travel at 1.96*10^8 m/s in a certain liquid. Determine the wavelength of the light in the liquid
On a frictionless, horizontal air table, puck A (with mass 0.150 kg ) is moving toward puck B (with mass 0.400 kg ), What was the speed of puck A before the collision
In Anchorage, collisions of a vehicle with a moose are so common that they are referred to with the abbreviation MVC. What percent of the original kinetic energy is lost in the collision to other forms of energy
A 8.0x10^-2-kg ice cube at 0.0 C is dropped into a Styrofoam cup holding 0.35 kg of water at 11 C. Find the final temperature of the system. Find the amount of ice (if any) remaining. Find the initial temperature of the water that would be enough to ..
suppose that each vehicle is initially moving at 8.60 m/s and that they undergo a perfectly inelastic head-on collision. what force does the seat belt exert on each driver
A 0.050-kg bullet is shot to the right toward a 1.5-kg target initially at rest on a flat frictionless surface. calculate the impulse experienced by the target
the nickel-metal hydride battery in your cell phone has a 1.2-v emf and it can be recharged about 1000 times.
A point source emits 26.0 W of sound isotropically. A small microphone of effective cross-sectional area 0.350 cm2 is located 175 m from the source. estimate the power intercepted by the microphone
An electron is moving at a speed of 1.2 104 m/s in a circular path of radius of 1.9 cm inside a solenoid. Find the strength of the magnetic field and current inside the solenoid
Standing on the surface of a small spherical moon whose radius is 5.71·104 m and whose mass is 6.71·1018 kg, an astronaut throws a rock of mass 1.85 kg straight upward with an initial speed of 28.5 m/s.
A block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. It has a mass of 213 g. When placed in water, the block sinks. What volume of water did it displace.
The rod with mass m is sliding with velocity v on the contacts. The B field is going through the page. Find the acceleration of the rod and the currents through the circuit
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