Answer:
100J
Explanation:
When you raised the object by 14 its store potential energy If we take ground level as its potential energy is zero. When its falling all the potential energy is transferred to the kinetic energy. According to the conservation of energy then
Potential energy = Kinetic Energy
Answer:
baking- is a method of cooking food that uses prolonged dry heat, normally in an oven, but also in hot ashes, or on hot stones. The primary source of heat is radiation. Fans within the oven will increase cooking times via convection of the air.
<span>Thermometers have liquids encased in a glass tube. In the past, liquid mercury was used. However, due to health concerns and environmental issues associated with mercury, many new thermometers use a red-dyed ethanol that will evaporate much more quickly and is much less toxic than mercury.</span>
Answer:
Wc = 7.84 weight of crown
Ww = 7.84 - 6.86 = .98 weight of water displaced
Density = 7.84 / .98 = 8 crown is 8 X that of water
Since gold has a density of 19.3 that of water the crown is certainly not 100 percent (if any) gold
Answer:
Explanation:
Given
mass of each car
acceleration of train
Force required to pull this system
For first car
for second car
this form a pattern of the form
for (a)30 th and 31 st car tension
For 49 th and 50 th car