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Q. A toy car was rolling on top of a table that is 1.225 meters above the ground. It eventually launches horizontally off of the table and takes the path of a projectile until it hits the ground 40 centimeters from the edge of the table.
Q. Illustrate what is the tangential acceleration of a bug on the rim of a 11 in diameter disk if the disk accelerates uniformly from rest to an angular speed of 83 revolutions per minute in 2.7 s?
Explain by how much horizontal force F must a sprinter of mass 62.0 kg exert on the starting blocks to produce this acceleration?
How fast will the automobile be traveling at that instant.
What is the acceleration (magnitude and direction) of pebble during the downward motion.
A steel aircraft carrier is 370 m long when moving through the icy North Atlantic at a temperature of 2°C. By how much does the carrier lengthen when it is travelling in the warm Mediterranean Sea at the temperature of 21 °C.
Assuming that the bond energy holding together a water molecule is typical, use table below to estimate how various molecular bonds might be broken with this energy.
Three astronauts, propelled by jet backpacks, push and guide a 115 kg asteroid toward the processing dock, exerting the forces, with F1 = 34 N, F2 = 57 N, F3 = 41 N, θ1 = 30°, and θ3 = 60°
find the electric flux through the bottom of the car. What was the jogger's average speed in m/s.
A capacitor (capacitance C1) is connected across the terminals of an ac generator. Without changing the voltage or frequency of the generator, a second capacitor (capacitance C2) is added in series with the first one.
The model airplane is flying at a speed of 23 m/s on a horizontal circle of radius 17 m. The mass of the plane is 0.96 kg. The person holding the guideline pulls it in until the radius becomes 8.0 m. The plane speeds up and tension in the guidelin..
A communications satellite with a mass of 400 is in a circular orbit about the Earth. The radius of the orbit is 2.8×10^4 as measured from the center of Earth. Compute the weight of the satellite on the surface of the earth.
A horse canters away from its trainer in a straight line, moving 150m away in 14 sec. It then turns abruptly and gallops halfway back in 4.5 sec.
A charge +q is at the origin. A charge -2q is at x = 9.10 m on the +x axis. (a) For what finite value of x is the electric field zero? (b) For what finite values of x is the electric potential zero? (Note: Assume a reference level of potential V =..
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