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
kobusy [5.1K]
3 years ago
14

Determine whether a moving tennis ball and a racket held by the player have the same momentum or different momentum. If differen

t, determine which object has more momentum.
Physics
1 answer:
NikAS [45]3 years ago
5 0

Answer:

key points:1.momentum and impulse

2.condition for conservation of momentum and why

3.how to solve collision problems

4.centre of mass

Explanation:

momentum is a vector

force of a tennis ball

for a top player,a tennis ball may leave the racket on the with a speed of 55m/s(about 120mi/h).if the ball has a mass of 0.060kg and is in contact with the racket for about 4ms(4×10)s.estimate the average force on the ball

You might be interested in
Which planet has a rotational period closest to that of Earth?
frosja888 [35]
The answer is Mars
 Mars has a rotational period closest to that of Earth. Mars is roughly longer than a day on Earth. This is by far the closest by over a hundred hours. Other than Jupiter which rotates less than 10 hours. Mars has a rotation of 24.75 hours or 1.03 Earth days. 

4 0
4 years ago
Two masses are separated by a distance r. If this distance is doubled, is the force of interaction between the two masses double
baherus [9]

Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

This is mathematically represented as

<u>F= (G X m1 x m2) /r∧2</u>

where F is the force acting between the charged particles

r is the distance between the two charges measured in m

G is the gravitational constant which has a value of <em>6.674×10^-11 Nm^2 kg^-2</em>

m1 and m2 are the masses of the objects measured in Kg

Now if the distance between the is doubled then r becomes 2r. Substituting this in the above formula we get the new Force as

Force (new) = (G X m1 x m2) /(2r)∧2


Thus dividing Force(new)/Force we get

Force(new)/Force = 1/4.

Thus the gravitational force becomes 1/4th of the original value if the distance between the two masses are doubled.




7 0
3 years ago
Read 2 more answers
The number of wave cycles that pass in one second is called the _______ of the wave.
postnew [5]

That is the frequency.

6 0
3 years ago
Read 2 more answers
Please help with the chart.
eimsori [14]
Unicellular: An organism that consists of a single cell

Multicellular: An organism with multiple cells

Eukaryotic: A cell that contains a nucleus

Prokaryotic: A cell with no nucleus

Autotrophic: An organism that has the ability to make their own food

Heterotrophic: Organism that cannot create their own food

Asexual reproduction: When an organism has the ability to create offspring without the help of another organism

Sexual Reproduction: When two organisms create an offspring using the gametes
8 0
3 years ago
Read 2 more answers
What is the displacement of a person walking 20 m North, and then walks<br> 20 meters South. *
Anuta_ua [19.1K]
0,0 if you’re looking for plot .
3 0
3 years ago
Other questions:
  • A sled with a mass 53.0 kg is pulled along flat, snow-covered ground. the static friction coefficient is 0.30, and the kinetic f
    11·1 answer
  • A scene in a movie has a stuntman falling through a floor onto a bed in the room below. The plan is to have the actor fall on hi
    11·1 answer
  • A sealed container holding 0.0262 l of an ideal gas at 0.989 atm and 72.3 °c is placed into a refrigerator and cooled to 40.1 °c
    10·1 answer
  • How many joules are required to heat .250 kg of liquid water from 0 °C to 100 °C ?
    10·1 answer
  • A plot of land has been surveyed for a new housing development with borders AB, BC, DC, and DA. The plot of land is a right trap
    11·2 answers
  • An insulator:
    5·1 answer
  • 6. Which statement about energy is true? A. Energy is a wave. B. Energy cannot travel through a vacuum. C. Energy has the abilit
    13·1 answer
  • A car moves 50km in the first 30 minutes and 50km in the second 30 minutes and continues in this way which motion is this ------
    14·1 answer
  • Your neighbor is riding her bike around the block. When she slows down and turns a corner, what changes about her?.
    9·1 answer
  • 3) connect two lamps to a power supply in series and current drawn from the power supply is is. connect the same two lamps in pa
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!