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You pull A rope oriented at 37° angle above the horizontal. The other end of the rope is attached to the front of the first of two wagons that have the same 30-kg mass. The rope exerts a force of magnitude T1 on the first wagon. The wagons are connected by a second horizontal rope that exerts a force of magnitude T2 on the second wagon. Determine the magnitudes of T1 and T2 if the acceleration of the wagon is 2.0 m/s².
1.7 kilograms of water are changed from liquid water at 100?C into steam at 100?C. determine the change in mass of the water
A diffraction grating with 600 lines per mm is illuminated with light of wavelength 520. What is the distance between the two fringes
After 0.5 sec what will be the voltage between the positive terminal and point A?. Hint: first calculate the final, long term, equilibrium charge (q0) on Ceq.
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
Four 1.2 kg masses are located at thec orners of a square 0.80 m on eachside. Find the magnitude and direction of the gravitational forceon a fifth 1.2 kg mass placed at the midpoint of the bottom side of the square.
q1. determine currents i1 i2 and i3 r5 20 ohms. suppose the internal resistance of each battery is r 1.0.what is the
An AC generator has an output rms voltage of 58 V at a frequency of 76 Hz. If the generator is connected across a 30 mH inductor, find the inductive reactance
question an am station is broadcasting a radio wave whose frequency is 1340 khz. the value of the capacitance in the
An automobile moves on a level horizontal surface in a circle radius 30 m. The coefficient of friction between tires and road is .50. Find the maximum speed with which car can round the curve
A 66kg rock climber is climbing a so called chimney between two rock slabs, What is her push against the rock
A solid sphere of mass 2.5 Kg and a radius .15m starts from rest at the top of the ramp inclined 15 degrees, and rolls to the bottom without slipping. What is the total kinetic energy of the sphere
A woman starts to swim directly across a 6.8-km-wide river. Her speed with respect to the water is 1.7 m/s. How much time does it take her to cross the river
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