Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Physics Expert

Suppose that you want to take a photograph of yourself as you look at your image in a mirror 3.8 m away.

For what distance should the camera lens be focused?

Express your answer using two significant figures.

Physics, Academics

  • Category:- Physics
  • Reference No.:- M91013035

Have any Question?


Related Questions in Physics

Questio a pump is required to lift a mass of 850 kg of

Questio: A pump is required to lift a mass of 850 kg of water per minute from a well of depth 13.8 m and eject it with a speed of 17.2 m/s. part A. How much work is done per minute in lifting the water? part B. How much ...

Question a small particle has charge -200 uc and mass

Question: A small particle has charge -2.00 uC and mass 1.50Ã-10-4 kg. It moves from point A, where the electric potential is V(A) = 200 V, to point B, where the electric potential V(B) = 920 V is greater than the potent ...

Question some passengers on an ocean cruise may suffer from

Question: Some passengers on an ocean cruise may suffer from motion sickness as the ship rocks back and forth on the waves. At one position on the ship, passengers experience a vertical motion of amplitude 1.6m with a pe ...

At a playground a toddler climbs on his bike starts to

At a playground, a toddler climbs on his bike starts to pedal away from his dad as fast as he can, at 12.6 km/h, towards a busy road that is 74.2 m away. At Δt=3.44 seconds later, his dad glances up from his phone and no ...

Question a radar used to detect the presence of aircraft

Question: A radar used to detect the presence of aircraft receives a pulse that has reflected off an object 8.5*10^-5 s after it was transmitted. t = 8.5*10^-5 s 1. What is the distance in m from the radar station to the ...

Question a stationary police car emits a sound of frequency

Question: A stationary police car emits a sound of frequency 1215 Hz that bounces off of a car on the highway and returns with a frequency of 1280Hz . The police car is right next to the highway, so the moving car is tra ...

Question an object is 30 cm in front of a converging lens

Question: An object is 30 cm in front of a converging lens with a focal length of 10 cm. Part A: Use ray tracing to determine the location of the image. Express your answer using two significant figures. q = Part B: Is t ...

Question a softball pitcher throws an underhanded pitch

Question: A softball pitcher throws an underhanded pitch with the arm fully extended (straight at the elbow). The ball leaves the pitcher's hand with a speed of 25 m/s. Assume that the pitching motion originates with the ...

Question a sled and rider gliding over horizontal

Question: A sled and rider, gliding over horizontal, frictionless ice at 5.8 m/s, have a combined mass of 86 kg. The sled then slides over a rough spot in the ice, slowing down to 3.0 m/s. What impulse was delivered to t ...

Question the position of a 275 x 105n training helicopter

Question: The position of a 2.75 x 10 5 N training helicopter under test is given by r? = (0.020 m/s3) t3i^ + (2.2m/s)tj^ ?(0.060m/s2)t2k^. Part A: Find the net force on the helicopter at t = 5.0s. Express your answer in ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As