1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tresset [83]
3 years ago
11

I need help quick!! Urgent!

Physics
1 answer:
faltersainse [42]3 years ago
6 0

C.

Explanation: Because mirrors are lighter, and they are easier than lenses to make perfectly smooth.

You might be interested in
A car accelerates from rest to 19 m/s in 6 seconds. What is the acceleration of the car?
choli [55]

Answer:

the car is moving so that how it gos so fast

Explanation:

7 0
3 years ago
A box of unknown mass is sliding with an initial speed vi = 4.70 m/s across a horizontal frictionless warehouse floor when it en
malfutka [58]

Here Change in Kinetic Energy = Work Done by Friction

Therefore, substituting the given values to the equation, we get

0.5 * m * (vFinal^2 - vInitial^2) = µ m g * d

Therefore

0.5*( 5.90^2 - Vfinal^2 ) = 0.100*9.8*2.10

Therefore

vfinal = 5.54 m/sec

<span> </span>

8 0
3 years ago
Which was more difficult to determine (latitude or longitude) and why?
Ivenika [448]
Longitude was. Determining longitude requires knowing the exact time of day, which was difficult prior to modern clocks. The source book below tells the story of Englishman John Harrison's life-long pursuit of building a reliable clock and its importance to navigation.
7 0
3 years ago
In this diagram, which force is represted by L?
Dmitry [639]
Answer is a) the force caused by the wend nag encountering wind and air.
8 0
3 years ago
Longitudinal waves do not have
soldier1979 [14.2K]
E. Nonsense longitudinal waves have all of these properties
8 0
3 years ago
Other questions:
  • What is the acceleration of the object?
    10·1 answer
  • A 1200kg car moving at 25m/s has the brakes applied with a deceeration of 8.0m/s^2. How far does the car travel before it stops?
    14·1 answer
  • If I finished my growth spurt, will I still continue to grow taller? (I’m a 14 year old male by the way)
    15·2 answers
  • ou purchase a rectangular piece of metal that has dimen- sions 5.0 * 15.0 * 30.0 mm and mass 0.0158 kg. The seller tells you tha
    11·1 answer
  • Zero gauge wire has a diameter of 0.32in and can carry a sustained current of 150A safely. What is the magnetic field a distance
    13·1 answer
  • A temperature of 50F is equal to c
    15·1 answer
  • Recall that if the colliding objects have hard surfaces, the collision is elastic. Based on this description, which bumper desig
    11·1 answer
  • Explain how star clusters help us understand the stages of stellar evolution
    8·1 answer
  • What does flowing electrical charge produce?
    7·1 answer
  • What is the weight of an object with a mass of 19 kg?
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!