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
andre [41]
3 years ago
8

A 1,200 kg car travels at 20 m/s. what is it’s momentum ?

Physics
1 answer:
WINSTONCH [101]3 years ago
6 0

Answer:c  vx v xv xv x

Explanation:

mlmcmcm

You might be interested in
With what speed must a ball be thrown directly upward so that it remains in the air for 10 seconds?
MA_775_DIABLO [31]

Answer:

◆ See the attachment photo.

◆ Don't forget to thanks

◆ Mark as brainlist.

7 0
2 years ago
In a certain chemical process, a lab technician supplies 292 J of heat to a system. At the same time, 68.0 J of work are done on
vekshin1

Answer:

The increase in the internal energy of the system is 360 Joules.

Explanation:

Given that,

Heat supplied to a system, Q = 292 J

Work done on the system by its surroundings, W = 68 J

We need to find the increase in the internal energy of the system. It can be given by first law of thermodynamics. It is given by :

dE=dQ+dW\\\\dE=292\ J+68\ J\\\\dE=360\ J

So, the increase in the internal energy of the system is 360 Joules. Hence, this is the required solution.

3 0
2 years ago
Please help! Will give brainly, 50 points!! I'm stuck with this question and I don't get it!!
IrinaVladis [17]

Answer:

3.52176 x 10^-10 N

Explanation:

Fg = 3.52176 x 10^-10 Newton

8 0
3 years ago
What Methods Do All Scientists Have in Common?
sleet_krkn [62]

I think it would be the scientific method.

3 0
3 years ago
Joe is attempting to ramp his bicycle over a row of burning tires. If the ramp has a launch angle of 20 degrees, and Joe can ped
Luden [163]
Answer is 6 tires.

This is a projectile question.

First make sure units are consistent - express speed in m/s.

20 km/h = 20000m / 3600 s = 5.56 m/s

Assume the takeoff point of the ramp is at ground level (height, h, = 0m). We need to determine how long Joe is in the air, and use that time to calculate the horizontal distance he traveled.

Joe is traveling 5.56 m/s on a ramp angled at 20 degrees. There are vertical and horizontal components to his speed:

Vertical speed = 5.56sin20 = 1.90 m/s
Horizontal speed = 5.56cos20 = 5.22 m/s

An easy way to proceed is to calculate the time it takes for Joe’s vertical speed to reach 0m/s - this represents the time when Joe is at his maximum height and is therefore halfway through the trip. Double whatever time this is to find the total time of the trip. Remember he is decelerating due to gravity:

Time to peak:
a = Δv / Δt
-9.8 = -1.9 / Δt
Δt = 0.19s

Total trip time:
0.19 x 2 = 0.38s

Now that we have the total tome Joe is in the air, we can find the horizontal distance he traveled:

v = d / t
5.22 = d / 0.38
d = 1.98m

Now divide this total distance by the length of an individual tire to find the number of tires he will clear:

1.98 / 0.3 = 6.6 tires

Therefore he can jump 6 tires safely (he will land in the middle of the 7th tire).

Lots of steps I know but just try to think of the situation and keep track of the vertical and horizontal things!
4 0
3 years ago
Other questions:
  • Development of the Grand Canyon through the uplift of the plateau and erosion by the Colorado River illustrates that:
    13·2 answers
  • What is a force that opposes the motion between two objects in contact with each other?
    8·1 answer
  • The burning of fossil fuels releases gas into the air, the gas is called?
    6·1 answer
  • When does a nebula become a star?
    15·1 answer
  • If the frequency of a sound wave is 990 Hz, calculate its wavelength.
    8·1 answer
  • List the three ways in which water reaches the atmosphere and tell which way accounts for the most of the water in the atmospher
    10·1 answer
  • A dog is facing a concave mirror. It is standing closer to the mirror than the focal point. From which location will the reflect
    5·2 answers
  • Help me, what is the shape of solid?​
    14·2 answers
  • What is the difference between Daniel and Leclanché cell
    13·1 answer
  • Is the following chemical reaction balanced?<br> 2H₂O2H₂O + 0₂<br><br> yes<br> no
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!