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Velocity graph of a 2.kg objectas it moves along the x-axis. What is the net force actingon this object at the given times? it gives me a vilocity time graph and asked me to findthe net force at t=1s,4s,7s
an astronaut weighs 1000N on the surface of the earth(radius = 6.38*10^6m) what is the weight of the astronaut at the elevation of 620 km above the earth's surface
A person with a black belt in karate has a fist that has a mass of 0.70 kg. What is the magnitude of the average net force
Earth has a net charge that produces an electric field of approximately 150 N/C downward at its surface. (a) What is the magnitude and sign of the excess charge, noting the electric field of a conducting sphere is equivalent to a point charge at i..
Since you are pulling up a little on the crate, the floor doesn't have to support as much weight. When you are pulling up on the rope as described above, what is the upward force that the floor exerts on the crate.
Two astronauts of equal mass 70 kg are holding on to opposite ends of a straight rope in space. The length of the rope between them is 14 meters. What is the new angular velocity of the two astronauts
Jerry is 52 kg and when he stands on a bathroom scale, the spring inside the scale compresses 0.43 mm. what is the maximum weight he reads on the scale
resistance R, capacitance C, and inductance L are connected in series, what is the formula for impedence for this circuit
A 50.0-g sample of a material at 80.0 degree C is dropped into a calorimeter containing 100.0g of water at 20.0 degree C. What is the specific heat of the material
Two plates of area 743 cm^2 each are separated by a distance 52.3 cm. Calculate the capacitance of the capacitor in microfarads
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The intensity level of these sounds can reach103dB, measured a distance of4.5m from the source. Determine the ..
Resistors of values 8, 12 and 24 Ohms are connected in parallel across a fresh battery with voltage 12 volts. Which resistor consumes the least power
Consider an LR circuit like that displayed in Figure 6.6 in Activity 2-1 in your lab manual. You measure the current through the inductor as a function of time, What is the total resistance of the circuit
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