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
MrRa [10]
3 years ago
7

Hi guys. Help with any of these questions! Pressure in physics year 7 :) Thanks!

Physics
1 answer:
SVEN [57.7K]3 years ago
5 0

Answer:

2 a) it is less dense than the water

2 b) it is more dense than the water

3 a ping pong ball is hollow and less dense than the water so it quickly bounces up to the surface of the water

You might be interested in
A car travels a distance of 60 km in 2 hours. what is its speed in kilometers per hour?
White raven [17]

Answer:

30 kilometers per hour.

Explanation:

we know this by dividing 60 by 2

5 0
3 years ago
How many pounds must a sandbag weigh to test if a safety net can absorb the proper amount of force
inessss [21]
I believe its 400lbs
3 0
3 years ago
Read 2 more answers
The speed of light in air is 3.00 108m/s. If a light wave has a wavelength of 5.80 + 107m, what is its
Andrews [41]

Answer:

Its 5 because of the equation

Explanation:

Thank You Merry christmas.

7 0
3 years ago
Nikolas had an idea that he could use the compressed carbon dioxide in a fire extinguisher to propel him on his skateboard.
Vikentia [17]
The Newton’s law Nikolas would use to come up with this idea is the <span>Third law that states:

</span><span>When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body.
</span>
So, in this case, let's name the first Body A which is the skateboard and the second body B which is <span>the compressed carbon dioxide in a fire extinguisher. Then, as shown in the figure below, according to the Third law:

</span>FA = -FB<span>

</span>

8 0
3 years ago
Read 2 more answers
How does an oxygen concentrator machine work?
zaharov [31]
-It takes air from it's surroundings.
-Compresses the air
-Removes Nitrogen
-Delivers an electric Interface
-Then it delivers the purified oxygen
3 0
4 years ago
Other questions:
  • A spinning wheel is slowed down by a brake, giving it a constant angular acceleration of ?5.20 rad/s2. during a 3.80-s time inte
    5·1 answer
  • It is 25 miles from your house to a friends house which unit conversion fraction should you use to find the distance in kilomete
    10·1 answer
  • Fast-moving glaciers that can move up to 6 kilometers per year
    15·2 answers
  • Help on springs,I klai
    5·1 answer
  • Two blocks with different mass are attached to either end of a light rope that passes over a light, frictionless pulley that is
    14·1 answer
  • Calculate the volume of 10g of helium ( M= 4kg/kmol) at 25C and 600 mmHg
    11·1 answer
  • Warda is driving her car down the street. She has a teddy bear sitting on the back seat. A dog runs in front of Warda's car, so
    7·1 answer
  • You stand on a merry-go-round which is spinning at f = 0:25 revolutions per second. You are R = 200 cm from the center. (a) Find
    5·1 answer
  • Explain the Series and parallel combinations of resistors with the help of its equation.
    14·1 answer
  • Which statement is correct about a vacuole?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!