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Q1. A street lamp weighs 158 N. It is supported equally by two wires that form an angle of 104 degrees with each other. What is the tension of each of these wires?
Q2. Mike pulls a sled across level snow with force of 235 N along a rope that is 35.5° above the horizontal. If the sled moved the distance of 75.0 m, how much work did Mike do?
Q3. A proton is travelling horizontally to the right at 5.00×10^6.
Find out (a) magnitude and (b) direction of the weakest electric field that can bring the proton uniformly to rest over a distance of 3.40.
A 430 microF capacitor is charged to 245 V. after that a wire is connected between the plates. How many joules of thermal energy are produced as capacitor discharges if all of the energy that was stored goes into heating the wire.
How to find out the force of friction
A heavy piece of hanging sculpture is suspended by a 146.0 cm long, 8.03 gm wire. When the wind blows hard, wire hums at its fundamental frequency of 113.0 Hz. What is the mass of the sculpture (in kg) assume that the local acceleration due to gravit..
Which of the planets fits the following description: "a solid, cool surface, with occasional dust clouds and a thin CO2 atmosphere".
Establish the initial volume of the gas . What is the magnitude of normal force that each brake pad applies to the rim.
You're driving down the highway late one night at 18 when a deer steps onto the road 36 in front of you. The reaction time before stepping on the brakes is 0.50, and the maximum deceleration of your car is 12.
What is velocity curve between two times
Write down the expression that shows the pressure
Uniform rate of acceleration
What is velocity of wind that is moving the plane
How to create a condition of weightlessness inside aircraft
A shell, fired from a cannon, has a muzzle speed (the speed as it leaves the barrel) of 800 ft/s. The barrel makes an angle of 45o with the horizontal and, for ease; the barrel opening is assumed to be at ground level.
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