Physics, 04.08.2021 09:40 issaaamiaaa15

A certain projector uses a concave mirror for projecting an object image that is 5 times bigger than the object and the screen is 5m away from the mirror. So calculate the focal length of the mirror??

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 23:20, drice517

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

Answers: 1

continue

Physics, 22.06.2019 07:30, hdhdhd49jdhd

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud

Answers: 2

continue

Physics, 22.06.2019 10:30, jeffro198004

The speed of light can be used to measure the

Answers: 1

continue

Physics, 22.06.2019 14:00, batmanmarie2004

Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?

Answers: 1

continue

You know the right answer?

A certain projector uses a concave mirror for projecting an object image that is 5 times bigger than...