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Bob, who has a mass of 73.0 kg, can throw a 579.0 g rock with a horizontal speed of 20.2 m/s. The horizontal distance through which his hand moves as he accelerates the rock forward from rest until he
During an adiabatic process, the temperature of 6.80 moles of a monatomic ideal gas drops from 565°C to 169°C. Find the change in internal energy? in kJ
21 degrees relative to the normal. If the indices of refraction of air, water, and glass are 1.0, 1.33, and 1.5 respectively, at what angle does the light leave the glass (relative to its normal)?
What is the stopping distance when the surface is dry and the coefficient of friction is 0.600
Each string is under 233 N of tension. The peg holding one string suddenly slips, reducing its tension slightly, and the two tones now create a beat frequency of three beats per second. What is the
According to Rayleigh's criterion, what minimum diameter is needed for a receiving dish on the ground, directly below the satellites, to be able to resolve their transmissions?
Two pipes - one with two open ends, the other with only one open end - are sounded at the same time. The beat frequency between their fundamental frequencies is 3.00 Hz,
If you are in an automobile accident with an initial speed of 147 km/h (91 mi/h) and you are stopped by an airbag that inflates from the dashboard, over what distance must the airbag stop you for y
Rank the pendulums according to the number of complete cycles of motion each pendulum goes through per minute. Rank from most to least complete cycles of motion per minute. To rank items as equivalent
A thing glass rod is bent into a semi-circle of radius R. A charge +q is uniformly distributed along the upper half and a charge -q along the lower half. Find the magnitude and direction of the ele
A container of volume 5.52 liter contains 5.82 x 1023 helium atoms (He). If the pressure of the gas is 95 torr, what is the root-mean-square speed of the molecules?
The duck has a positive charge of 4.0 X 10^-8 C. If the magnetic force acting on the duck is 3.20 X 10^-11 N upward, what is the magnitude of the duck's velocity?
Dario, a prep cook at an Italian restaurant, spins a salad spinner 20.0 times in 5.00 seconds and then stops spinning it. The salad spinner rotates 6.00 more times before it comes to rest. Assume t
A kid fires water horizontally from a squirt gun held 1.6 above the ground. It hits another kid 2.4 away square in the back, at a point 0.85 above the ground. What was the initial speed of the wate
A 240 block on a 58.0 -long string swings in a circle on a horizontal, frictionless table at 85.0 What is the speed of the block?
A 20 g rifle bullet traveling 205 m/s buries itself in a 3.7 kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Determine the horizontal component of the p
In which of the following is diffraction NOT exhibited? determining the direction of polarization with a birefringent crystal
In a diesel engine, the piston compresses air at 309 K to a volume that is 0.0629 of the original volume and a pressure that is 48 times the original pressure. What is the temperature of the air af
Force of 450 is applied to each end of the wire. What minimum diameter is required for the wire? Express your answer in millimeters. Take Young's modulus for steel to be = 2.00×1011.
The stream of electrons is flowing past a certain point between the cathode and the anode at a rate of 3.50 A. If 95.0% of the electrons reach the anode, (a) what amount of charge reachs the anode d
A dynamit blast at a quarry launches a rock straight upward,and later it is rising at a rate of 15m/s. Assuming air resistance has no effect on the rock, calculate the total time the rock is in the
Determine the magnitude of the force from the ground on each rear wheel (assuming equal forces on the rear wheels).
Ions in NaCl are separated from their nearest neighbours by 2.82A. Calculate the electrostatic force between neighbouring sodium and chlorine ions.
A thin film with index of refraction n = 1.49 is placed in one arm of a Michelson interferometer, perpendicular to the optical path. If this causes a shift of 8.0 bright fringes of the pattern prod
6 cm long solenoid 1.2 cm in diameter is to produce a field of 0.085 T at its center. How much current should the solenoid carry if it has 1100 turns of the wire?