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A person's right eye can only see objects clearly if they are between 30 cm and 60 cm.
(a) What power of contact lens (lens eye distance is zero) is required so that objects far away are sharp?
(b) What will be the nearest distance at which the person can read with the contact lens in place?
at t1 4.00 s the acceleration of a particle moving at constant speed in counterclockwise circular motion is a 5 i 8j
Xenon ions with a mass of 2.20 × 10-25 kilogram and charge +e are accelerated between the plates of an ion drive rocket engine to an exhaust velocity of 43,200 m/s. If the potential difference is doubled, find what is the velocity of the engine exha..
A rifle with a weight of 25 N fires a 6.0 g bullet with a speed of 260 m/s, Find the recoil speed of the rifle
A rollercoaster car has a mass of 600 kg when fully loaded with passengers. what is the force of the track on the car at the top of the hill
If a four-engine jet accelerates down the runway at 2 m/s2 and one of the jet engines fails, explain how much acceleration will the other three produce?
Two spaceships approach Mars from the same direction. One has a speed of 0.2c, What is the speed of one spaceship relative to the other
A 500kg cart is rolling to the right at 3.70m/s. What is the speed of the cart if the man suddenly starts running to the left with a speed of 8.00 m/s relative to the cart
a 0.210-a current is charging a capacitor that has circular plates 15.8 cm in radius. the plate separation is 4.00 mm.a
Two thin lenses with a focal length of magnitude 15.0 cm, the first diverging and the second converging, are located 11.3 cm apart. An object 3.20 mm tall is placed 25.0 cm to the left of the first (diverging) lens.
An object of mass 5 kg is acted upon by four forces, each of magnitude 10 N. Which of the following could NOT be the acceleration of the object?
Two charges repel each other with a force of 0.1 N when they are 5 cm apart. Find the forces between the same charges
At the point he throws a 50.0 yards forward pass straight down the field. Illustrate what is the magnitude of the football's resultant displacement?
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