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Q. Comparing and Contrasting Consider two rocks with masses of 1 and 10 kilograms. What is the relation their inertias? Between thier masses? Between their weights on earth?
Q. How much horizontal force must a sprinter of mass 57.0 exert on the starting blocks to produce this acceleration?
A uniform ladder 15 ft long is leaning against a frictionless wall at an angle of 56° above the horizontal. The weight of the ladder is 35 pounds. A 77 lb boy climbs 6.0 ft up the ladder. What is the magnitude of the friction force exerted on the lad..
The truck slows down uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making skid marks 62.40 m long that end at the tree. With what speed does truck then strike the tree.
Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground as he slows down.
What is the magnitude of an average acceleration of the ball
Find the magnitude of the maximum force applied horizontally to upper block (block 1) that will cause the two blocks to slide together.
Imagine a "free" electron and a "free" proton held midway between the plates of a charged equivalent plate capacitor. When released, how do their accelerations and directions travel compare.
Two forces are applied to a car in an effort to accelerate it. The first force, F1 = 328 N, is applied at an angle α = 35° to the forward dashed line. The second force, F2 = 544 N, is applied at an angle β = 8° to the forward dashed line. (a) What is..
An electric field of 220000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of -10C at the spot.
Compute coefficient of kinetic friction
A 9.40kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 69.5kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.
A loudspeaker is placed between two observers who are 120 m apart, along line connecting them. If one observer records a sound level of 52.8 dB and the other records a sound level of 83.5 dB, how far is the speaker from each observer? Enter the longe..
How much does the rocket clear the top of the wall
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