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Q. A production line inspector wants a mirror that produces an upright image within magnification of 7.4 when it is located 15.0 mm from a machine part.
(a) What kind of mirror would do this job?
Convex Concave Plane
(b) What is its radius of curvature?
A person driving her car at 57km/h approaches an intersection just as the traffic light turns yellow. She knows that yellow light lasts only 2.0 s before turning to red, and she is 30m away from the near side of the intersection.
A major-league catcher gloves a 93 mi/h pitch and brings it to rest in 0.14m. If the force exerted by catcher is 803 N, what is the mass of the ball.
What fraction of the initial kinetic energy was transferred
The effectual coefficient of kinetic friction is 0.37. Compute the work done by the man on the piano.
A whale comes to the surface to breathe and then dives at an angle of 20 degree below the horizontal.
How far above the aim is the point
A uniform solid disk with a mass of 23.8 kg and a radius of 0.712 m is free to rotate about a frictionless axle. Forces of 92.0 and 124 N are applied to the disk. Taking the clockwise direction to be the negative direction, what is (a) net torque pro..
Find out the vertical component of the reaction force
A bullet of mass 0.0022 kg initially moving at 496 m/s embeds itself in a large fixed piece of wood and travels 0.64 m before coming to rest. Imagine that an acceleration of the bullet is constant.
An iron tower in is 399 meters tall on a cold day (T = -6.7 degrees Celsius). What is its height of the tower on a hot day while the temperature is 31.5 degrees Celsius.
A Federation starship (7.5 multiplied by 106 kg) uses its tractor beam to pull a shuttlecraft (5.0 multiplied by 104 kg ) aboard from the distance of 12 km away.
An 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24.
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