A child is stationary on a swing. The child is given a push by a parent and the child starts swinging.
The parent stops pushing the child
Figure 2 shows how the kinetic energy stored in the child varies over the first few swings
kinetic energy
time
Figure 2
Explain the energy changes during the first few swings

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas

get the total number of pieces of fruit and divide it by 4 to get the average. the result is the answer to the problem. 14 total number of fruits and there are 4 members. 14 divided by 4 is equals to 3.5.