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A 3-kg block being pushed across a table by a forcePhas an acceleration of 2 m/s2. What is the net force acting on the block? Round the final answer to the nearest whole number.
Mayan kings and many school sports teams are named for the puma, cougar, or mountain lion Felis concolor, the best jumper among animals. With what speed, in SI units, does it leave the ground
A (2m x 3m) plate of aluminum has a mask of 324 kg. It's density in 2700 kg/m3. Find its thickness
A pulsar is a collapsed, rotating star that sends out a narrow beam of radiation, like the light from a lighthouse. at what rate does an observer on the Endeavor see pulses emitted
A bicycle wheel has a diameter of64.4cm and a mass of1.90kg. What force must be applied by a chain passing over a9.01-cm-diameter sprocket in order to give the wheel an acceleration of4.55rad/s2
A concave mirror has a focal length of 19 cm. This mirror forms an image located 76 cm in front of the mirror. What is the magnification of the mirror
An electron is projected vertically upward with a speed of 1.50 * 10^6 m/s into a uniform magnetic field of 0.200 T that is directed horizontally away from the observer. What is the radius of motion?
The force of repulsion that two like charges exert on each other is 4.0 N. What will the force be if the distance between the charges is increased to 6 times its original value.
What is the magnitude of the single straight-line displacement
A balloon is filled with helium gas at 20.0 degrees C and 1.0 atm pressure (1 atm = 1.01 x 10^5 N/m^2). What is the heat gained or lost by the helium
Compute the equivalent resistance of the network in the figure below, and find the current in each resistor. (R1 = 2.00 Ω, R2 = 5.00 Ω, R3 = 13.0 Ω, R4 = 5.00 Ω, and ε = 58.0 V.) The battery has negligible internal resistance.
After an afternoon party, a small cooler full of ice is dumped onto the hot ground and melts. If the cooler contained 7.20 kg of ice and the temperature of the ground was 40.5°C, calculate the energy that is required to melt all the ice at 0°C. Th..
Two stars located 27 light-years from Earth are barely resolved using a reflecting telescope having a mirror of diameter 66 cm. find the separation between the stars
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