In order to keep an object weighing 40 Newtons moving at constant speed along a horizontal surface, a force of 15 Newtons is required. The force of friction between the surface and the object is

Which feature of a heating curve indicates a change ofn state

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter