Two closed organ pipe gives 4 beats when sounded together at 5°C. Calculate the number of beats in 35°C​

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving

Ajoint produces movement when its angle decreases. which type of movement is it?