Answer:
Upward.
Explanation:
Frictional force will prevent you from slipping while walking on the floor. However for the other foot that is moved during a stride, there is a contact force. And the floor is exerting that contact force on the foot in the upward direction while foot exert it on the floor in downward direction when it comes in contact with the floor. That's how we balanced ourselves while walking, running etc. Contact force is also known as the normal force and this force exists wherever the two objects got into contact with other. It's example can be a book on a table, box on the floor, man standing on ground is due to contact force.
First, melt the ice, H2O(s):
<span>45.5gH2O x 333J/1gH2O = 15,152 J </span>
<span>Next, raise the temperature of the water, H2O(l): </span>
<span>45.5gH2O x 100degC x 4.184J/1gH2O-1degC = 19,037 J </span>
<span>Finally, addem all up: </span>
<span>34,200 J = 34.2 kJ to three significant figures</span>
Answer:
im thinking its b
Explanation:
well because football your throwing the ball way back or a little bit which causes i guess energy when you release
baseball of course your throwing the ball with force basically throwing 100 mph in the mlb
and tennis i havent played tennis so i dont know
Explanation:
a triple beam balance can measure the mass of one slice of bread
Answer:
Sorry to tell you this but there’s no answer for that
Explanation:
