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A 4.90-kg ball, moving to the right at a velocity of +2.14 m/s on a frictionless table, collides head-on with a stationary 8.80-kg ball. Find the final velocities of
(a) the 4.90-kg ball and of
(b) the 8.80-kg ball if the collision is elastic.
(c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.
An object weighs 302 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 220 N. When it is immersed in oil, it weighs 257 N. what is the density of the object.
The object to be viewed is placed 2mm beyond the focal point of objective lens. What is the overall magnification of this microscope.
A 23-g bullet traveling 270m/s penetrates a 1.8kg block of wood and emerges cleanly at 195m/s. how fast does it move after the bullet emerges
An air parcel moves northwards and becomes entrained in a strong westerly flow, circling the entire globe in the space of a few weeks. State the name given to this high-level flow and define briefly how its structure is related to lateral and vert..
A wire has a length of 7.60 multiply.gif 10-2 m and is used to make a circular coil of one turn. find the maximum torque that this coil can experience
It shouldn't matter how many calories were consumed or how long the person walked or ran, we are just making a comparison of burning calories while exercising at 5km/h and 15km/h.
What should the charge (sign and magnitude) of a particle of mass 1.487 be for it to remain stationary while placed in a downward-directed electric field of magnitude 630.
Your roommate is working on his bicycle and has the bike upside down. He spins the 54.0cm -diameter wheel, What is the pebbles speed and acceleration
The total translational kinetic energy of the molecules of a sample of gas at 447 K is 1.33 x 10^4 J, Find the average translational kinetic energy of a single molecule
A person of mass 89.70 kg escapes from the burning building by jumping from a window situated 27.50 m above a catching net.
A particle has an acceleration of 6.19 m/s^2 for 0.350 s. What was the particle's initial velocity
A barge is 15.0 m wide and 75.0 m long and has vertical sides. The bottom of the hull is 1.20 m below the water surface. What is the weight of the barge
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