Answer:
The value of acceleration due to gravity on all objects near the surface of earth will be 9.8 m/s/s or 10 m/s/s(approx)
Explanation:
here we know that all objects near the surface of earth will experience the force of gravity towards the center of earth.
this force of gravity is given as
now to find the acceleration due to this force we can say
here we will have
so acceleration due to gravity for all objects near the earth surface is nearly same or constant
About 30 – 45 miles
Most vehicles can still attain around 30 – 45 miles or more when their fuel gauge shows “Empty.” This is simply because the gas tank is designed to retain about 10% – 15% of fuel before it triggers the empty sign from the fuel gauge on the dashboard.Two factors play a role: the size of your car's gas tank, and the fuel efficiency of the car. , then you can probably go about 30-45 miles once the empty tank light comes on. For many cars, you can actually go a bit further, but again, it's tricky.
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The calculation for kinetic energy is this
KE = 1/2mv^2
KE = 1/2(50)(7^2)
KE = 1/2(49•50)
KE = 1225 kgm^2/s^2.
Or simply 1225 J.
She possess this much energy when she runs.
Green would be best
hope it help
Answer:
Elastic Collision
Inelastic Collision
The total kinetic energy is conserved. The total kinetic energy of the bodies at the beginning and the end of the collision is different.
Momentum does not change. Momentum changes.
No conversion of energy takes place. Kinetic energy is changed into other energy such as sound or heat energy.
Highly unlikely in the real world as there is almost always a change in energy. This is the normal form of collision in the real world.
An example of this can be swinging balls or a spacecraft flying near a planet but not getting affected by its gravity in the end.
