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
dangina [55]
3 years ago
10

A body of mass 5 kg has a velocity20 MS -1 its Momentum is​

Physics
1 answer:
Anon25 [30]3 years ago
7 0

Answer:

Momentum is 100 kg.m/s

Explanation:

given

mass, m = 5 kg

velocity, v = 20 m/s

To find : momentum (P)

We know that momentum is given by equation:

p = mv

  = 5 kg x 20 m/s

  = 100 kg.m/s

You might be interested in
Which has greater kinetic energy, a car traveling at 30 km/hr or a car of half the mass traveling at 60 km/hr?
Mumz [18]
Half mass car because it's traveling faster

5 0
3 years ago
Read 2 more answers
20 kg object travels 28 meter and stops. coefficient friction= 0.085 how much work was done by friction?
Tresset [83]
Assuming it is on a horizontal surface:
friction = μR
R = 20g (g is gravity 9.81)
so Friction = 0.085 x 20g
Work done is force x distance 
so Work done = 0.085 x 20g x 28
 = 466.956 J

7 0
3 years ago
A car moving at a speed of 20 m/s, then accelerates uniformly at until it reaches a speed of What distance does it travel during
Andru [333]
E because you have to drive
6 0
3 years ago
You are performing a knee extension exercise. You hold a 20kg weight at full knee extension. The weight is 0.4m from your knee j
dmitriy555 [2]

Answer:

The moment is -78.4 N-m (clockwise).

Explanation:

Given:

Mass of the object (m) = 20 kg

Distance of the object from the knee joint (d) = 0.4 m

Weight of leg is not considered.

Acceleration due to gravity (g) = 9.8 m/s²

Now, weight of the object is equal to the product of its mass and acceleration due to gravity. So,

Weight = Mass × Acceleration due to gravity

            = mg=20\times 9.8 =196\ N

We know that, moment of a force about a point is defined as the product of force applied and the perpendicular distance between the point and the line of application of force.

Moment of the given weight about the knee joint is given as:

Moment about knee joint = Weight × Distance from knee joint to weight

Moment about knee joint = 196 × 0.4 = 78.4 Nm

Now, from the diagram below, we can observe that, the weight acts vertically down and thus the sense of rotation about the knee joint at point O is clockwise. So, moment is negative.

Therefore, the moment is -78.4 N-m (clockwise).

7 0
3 years ago
What is the resistance of a 600 W kettle that draws a current of 5.0 A? please answer with steps
lukranit [14]
P=I^2 *R

600 =5.0^2 *R

R=24

Answer: 24 ohms

I hope it’s correcttttttt...

5 1
3 years ago
Other questions:
  • How the behavior of waves is affected by a medium
    7·1 answer
  • 43. A rocket sled accelerates at a rate of 49.0m/s2. Its passenger has a mass of 75.0 kg. (a) Calculate the horizontal component
    7·1 answer
  • does the amount of work to required to move a charge in an electric field depend on the path taken or just the potential differe
    7·1 answer
  • Unpolarized light is incident on a series of polarizing disks. We have three polarizers A, B and C have transmission axes that m
    12·1 answer
  • When the gas in a balloon is heated, the balloon expands. What are the correct signs of heat and work for this change?
    8·1 answer
  • I have been trying to do number 2 and I just don’t know what the answer is if you can help me thank you so mush
    11·1 answer
  • What compound is a product of photosynthesis?
    7·2 answers
  • HELPpPpo ASAP
    5·1 answer
  • Which statements describe solstices? Select 3 correct choices. They occur when the Sun reaches its highest or lowest point in th
    15·1 answer
  • A young diver is practicing his skills before an important team competition. Use the diagram below in order to analyze the energ
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!