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
Dmitry [639]
3 years ago
10

3. The car's mass is 400 kg. It moves at a velocity of 20 m/s. Calculate the car's momentum. *

Physics
1 answer:
Orlov [11]3 years ago
7 0

Answer:

momentum=mass×velocity

momentum =400kg×20m/s=8000kg.m/s

You might be interested in
A circuit with two or more branches for current to flow
Natalija [7]

If there's any point in a circuit where the current has a choice
of which branch to take, then you have a <em>parallel circuit</em>.


4 0
3 years ago
You are launching a 2 kg potato out of a potato cannon. The cannon is 2.0 m long and is aimed 70 degrees above the horizontal. I
DochEvi [55]

Answer:

Explanation:

The net force on the potatoes is given by:

F= 52 - mgSintheta

F= 52- (2×9.8× Sin70°)

F = 52 -18.4

F= 33.58N

Using Newton's 2nd law

F = ma

a=F/m = 33.58/ 2 = 16.79m/s^2

Using the equation of motion:

V^2= u^2 + 2as

V^2 = 0 + 2× 16.79 x2

V^2 = 67.16

V=sqrt(68.16)

V= 8.195m/s This is the exit velocity of the potatoes

Kinetic energy, K.E = 1/2mv^2

KE= 1/2 × 2 × 8.195^2

KE = 67.16J

8 0
3 years ago
Which of the following is a scalar quantity?
neonofarm [45]

Answer:

55

Explanation:

I hope this answer help u

4 0
2 years ago
Read 2 more answers
A star has an absolute magnitude of 4 and a surface temperature of 5,000 degrees C. According to the HR diagram, list the type o
Ierofanga [76]
On sources it says it would  just be the super giant star 
3 0
3 years ago
Water is completely filling black metallic vessel having cubic form and thin walls. The mass of water is 1 kg and initial temper
Brilliant_brown [7]

Answer:

Check the attached image

Explanation:

To solve the problem for time you will have to use the formula for time, t = d/s which means time equals distance divided by speed.

Kindly check the attached image below for the step by step explanation to the question.

5 0
3 years ago
Other questions:
  • Calculate the force of Earth’s gravity on a spacecraft 2.00 Earth radii above the Earth’s surface (That would be 3.00 Earth radi
    5·1 answer
  • A circuit has a resistance of 10 Ω and current of 5 A. What is the voltage?<br><br>​
    13·1 answer
  • A physicist wants to study the motion of a car.
    9·1 answer
  • If you stand at the edge of a cliff that is 75 m high and throw a rock directly up into the air with a velocity of 20 m/s, at wh
    7·2 answers
  • A rock weighs 30 n on earth and another rock weighs 30 n on the moon. which rock has the greater mass?
    15·1 answer
  • To navigate, a porpoise emits a sound wave that has a wavelength of 4.9 cm. The speed at which the wave travels in seawater is 1
    6·1 answer
  • Give some example acostic using "ELEMENTS"
    9·1 answer
  • PLEASE HELP<br> use the image to answer the question.<br> what is the name of the aluminum ion?
    11·2 answers
  • Calculate the accleration of a car if its velocity increases from 15m/s to 75m/s in 5 second​
    6·1 answer
  • 5. A.63kg ball is moving at 4.3 m/s. What is the momentum of the ball?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!