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
Alisiya [41]
3 years ago
15

Wel.

Physics
1 answer:
Law Incorporation [45]3 years ago
4 0

Answer:

1 is c 2 is a and 3 is b hope that helped!

You might be interested in
The velocity of a wave with a wavelength of 4.700 m and frequency of 54.00 Hz is
Feliz [49]
The answer is 253.8 m/s
6 0
3 years ago
What is the magnitude of the force needed to keep a 60 newton rubber block moving across level,dry asphalt in a straight line at
pantera1 [17]

let Coefficients of Friction of Rubber on asphalt (dry) =0.7

F= Coefficients of Friction * normal force = 0.7 * 60 =42 N

so the net force of the rubber is zero, meaning it will travel at a constant speed.

When the rubber is travel at 2m/s, 42N is required to keep moving at constant speed

6 0
3 years ago
Read 2 more answers
Why do surface winds tend to cross the isobars?
scZoUnD [109]
Geostrophic winds blows parallel to the isobars. That is because the Coriolis force and pressure gradient force ( PGF ) are in balance. But near the surface the friction can act to change the direction of the wind and to slow it down. Coriolis force decreases at the surface and PGF stays the same. The difference in terrain conditions affects how much friction is exerted. Hills and forests force the wind to change direction more than flat areas. Answer: Friction reduces the speed so Coriolis is weakened. 
3 0
3 years ago
Read 2 more answers
If a 340 N girl sits on a seesaw and is lifted 1.4 m in 1.6 s, how much work was done by the child on the other side?
blondinia [14]
In physics, work is defined as the total energy when an object is moved to a certain displacement by the application of external force. It is calculated by the expression W = Fd. For this case, the displacement is apparently zero, then there is no work in the system above.
4 0
3 years ago
A steady circular __________ light means drivers must stop at a marked stop line.
elixir [45]
B. red................
5 0
3 years ago
Read 2 more answers
Other questions:
  • A construction worker runs a jack hammer for 1.5 hours. The jack hammer has 2.4 kilowatts of power. How much electrical energy d
    14·1 answer
  • What two things make up the nucleus?"
    15·2 answers
  • during convection, hot material _____ (expands & sinks, cools & rises, expands & rises, deflates & rises) then m
    12·2 answers
  • A toaster uses 400 W of power. How much energy does it use in 5 seconds? A. 2000 J B. 1000 J C. 80 J D. 400 J
    11·2 answers
  • A mass of 5 kg stretches a spring 20 cm. The mass is acted on by an external force of 10 sin t 6 N (newtons) and moves in a medi
    8·1 answer
  • Which of the following is an example of technology influencing science?
    11·1 answer
  • Which of the following would be useful to show the growth rate of plants at varying temperatures?
    10·1 answer
  • A hiker, caught in a rainstorm might absorb 1 liter of water in her clothing. if it is windy so that this amount of water is eva
    9·1 answer
  • Suppose a miracle car has a 100% efficient engine and burns fuel having an energy content of 40 MJ/L. If the air resistance and
    14·1 answer
  • The cornea behaves as a thin lens of focal lengthapproximately 1.80 {\rm cm}, although this varies a bit. The material of whichi
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!