Yonas

A 50-g bullet with a speed of 10 m/s hits into a sandbag hanging from the ceiling and embeds into it. The sandbag is at rest before the collision and gain a speed of 0.2 m/s afterwards. How much does the sandbag weigh?

Which is the false statement about a converging lens? A. A light ray going through the center of the lens does not change the direction of its pass. B. The parallel light rays intersect each other on the other side of the lens in a single point of the foc...

Which one is the anatomical blind spot? A. It is an area for acuity vision. B. It is an area where rods are located. C. It is an area where cones are located. D. It is an area where blood vessels and the optic nerve pierces the retina. E. It is the insert...

Which ones are odd numbered organs in the human excretory system? A. Bladder and urethra B. Ureter, bladder and urethra C. Only the urethra D. Bladder and ureter E. Ureter and urethra

Two force meters connected to each other and one end of them is fixed to the wall. The free end of them is pulled horizontally with a force of 10 N. What is the magnitude of the force on each meter? A. The pulled one show 0 N the other 10 N. B. Both read...

The manager estimates that the total revenue from the sale of her firm's product is given by the equation TR = Q^2/2 and the total cost function is estimated to be TC = 5000+60Q+Q^2 A. What are the profit-maximizing levels of price and output? B. Find the...

1. An individual investor has $70,000 to divide among several investments. The alternative investments are municipal bonds with an 8.5% return, certificates of deposits with a 10% return, Treasury bill with a 6.5% return, and income bonds with a 13% retur...

A car mass 600kg moving a speed 20m/s.it collides with a stationary car mass 900kg.if the first car bounce back 4m/s.what speed does the second object after collision

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