The angle of reflection is equal to the angle of incidence……….. [ ] A) always B) sometimes C) never D) under special conditions​

An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec