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A rock is travelling in a horizontal circle due to a string with a tension of 100.5 N that is 2.0 m long. If the rock has a mass of .234 kg and we assume that the effect of the rock's weight on the tension is negligible:
A. What is the tangential speed of the rock?
B. What is the period of the rock's circular motion?
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
A 0.14 kg ball is placed in a shallow wedge with an opening angle of 126°. For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless.
Using a ball that has unknown mass m. You plot your data in the form of f2 versus M/L, with f in rev/s,M in kg, and L in m. calculate the mass m of the ball
A spherical object with a radius of 40.0 cm has a net charge of 37.7uC distributed uniformly throughout its volume, Using Gauss's Law, calculate the electric field 71.5 cm from the center of the sphere
A discussion of why the ideal gas law is expected to fail at low temperatures and how its failure may affect your estimation of absolute zero.
The lowest pedal note on a particular large pipe organ has a fundamental frequency of 15.7 Hz. What is the length of pipe between the sounding hole and the open end
Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest
Consider a copper wire (mass density 8.9 g/cc, resistivity 1.7E-8 ohm-m) with a diameter of 0.43 mm, How many meters long is this wire
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are right.
Two electrodes are placed in a calcium chloride solution and a potential difference is maintained between them. what is the current in the solution
If you weigh 690 {rm N} on the earth, what would be your weight on the surface of a neutron star that has same mass as our sun and a diameter of 21.0 {rm km}.
A car is parked 21.0 m directly south of a railroad crossing. A train is approaching the crossing from the west, What frequency does the car's driver hear when the horn blast reaches the car
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