A dart player throws a dart horizontally at a velocity of 12.7 m/s. The dart hits the board 0.39 m below the height from which it was thrown.
How far away is the player from the board? Provide evidence.

Astate of matter all that has define volume and can flow is a(n)

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n