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Q. A space traveler weighs 565 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?
Q. A particle of mass M = 0.60 kg is dropped from a point that is at a height h = 2.10 m above the ground and horizontal distance s = 0.85 m from an observation point O, as shown in the figure. What is the magnitude of the angular momentum of the particle with respect to point O when the particle has fallen half the distance to the ground?
A 9300 kg boxcar travelling at 23 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 15 m/s. What is the mass of the second car.
What is resultant force
A box of mass 32 kg is at rest on a horizontal frictionless surface. A constant horizontal force then acts on the box, and accelerates it to the right. It is observed that it takes the box 6.5 seconds to travel 48 meters. What is the magnitude of for..
For the situation, the magnetic field changes with time according to the expression B = (2.00t3 - 4.00t2 + 0.800)T, and r2 = 2R = 5.00 cm. (a) Calculate the magnitude and direction of the force exerted on an electron located at point P2 when t = 2.00..
what advantage might there be in using two identical capacitors in parallel connected in series with another parallelpair, rather than using a single capacitor.
An object whose weight is 100 Ibf experiences a decrease in kinetic energy of 500 ft. Ibf and an increase in potential energy of 1600 ft. Ibf. The initial velocity and elevation of the object, each relative to surface of the earth, are 50 ft/s and 40..
What is velocity of insect after it has accelerated
A 151 kg rocket moving radially outward from Earth has a speed of 5.03 km/s when its engine shuts off 226 km above Earth's surface. (a) Assume negligible air drag; find the rocket's kinetic energy when the rocket is 535 km above Earth's surface. (b) ..
Vector A points in the negative y direction and has a magnitude of 3 units. Vector B has three times the magnitude and points in the positive x direction. Find out the direction and magnitude of the following vectors.
A 1560kg car is travelling with a speed of 14.20 m/s. What is the magnitude of the horizontal net force that is required to bring car to a halt in a distance of 52.10 m.
The effectual coefficient of kinetic friction is 0.37. Compute the work done by the man on the piano.
A basketball player grabbing a rebound jumps 73.3 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 13.1 cm of this jump and (b) in the bottom 13.1 cm? Do your results explain why such players seem to han..
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