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A 4.5-cm-tall object is placed 28 cm in frontof a spherical mirror. It is desired to produce a virtual imagethat is upright and 3.5 cm tall.
a) What type of mirror should be used?
b) Where is the image located?
c) What is the focal length ofthe mirror?
d) What is the radius of curvature of the mirror?
e) Use a ray diagram to show that the results you received is corrected?
the cross sectional areas of the pistons in the system have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N, what is the maximum weight that can be lifted?
In diving to a depth of 527 m, an elephant seal also moves 937 m due east of his starting point. What is the magnitude of the seal's displacement?
A 16.5 kg gold bar at 26.0°C is placed in a large, insulated 0.800 kg glass container at 15.0°C with 2.00 kg of water at 25.0°C. Calculate the final equilibrium temperature
A 5 kg block, measuring 10 cm per side, is held 50% submerged in water by a helium balloon. what is the diameter of the balloon
If the football has the mass of .420 kg and the time of contact with the ball is .014 s, what is the force exerted by the ball on a kicker's foot.
A 1000kg weather rocket is launched straight up. The rocket motor provides a constant acceleration for 16s , What is the rocket's speed as it passes through a cloud 4200m above the ground
Fred (mass 72 kg) is running with the football at a speed of 5.8 m/s when he is met head-on by Brutus (mass 120 kg), who is moving at 4.0 m/s. How far do they slide
A car is parked on a steep incline, making an angle of 37.0° below the horizontal and overlooking the ocean, when its brakes fail and it begins to roll. Starting from rest at t = 0, the car rolls down the incline with a constant acceleration of 3...
A helium balloon ride lifts up passengers in a basket. Assume the density of air is 1.28 kg/m3, find the volume of helium in the balloon when fully inflated
What is the average force exerted on the ball. How fast (in ) must a centrifuge rotate if a particle 6.50 from the axis of rotation is to experience an acceleration of 125,000 's.
A child goes down a water slide and splashes into the water. At the top, the child has a speed of 4 m/s. how fast would the child be moving when she hits the water
A 5.34kg object moving at a speed of 1.3m/s in the postive x-axis collides wth a 3.20kg moving at 2.5m/s in the opposite direction, sticking together as a result
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