2 What is a benefit of wearing a hard hat? A. It can absorb the energy of the blow of a falling object B. It can resist penetration from sharp objects C. It can protect against electrical hazards if rated to do so D. All of the choices are correctWhat is the name of the type of force used when you use your brakes? __ What are the two ways that braking uses friction? __ What is the definition of impulse? __ What is the formula for impulse? __What two things do we use to calculate momentum? Your answer C This is a required question What are the units for momentum? __ . There are two cars with the same mass Car A is traveling with a speed of 15m/s and Car B is traveling with a speed of 30m/s Which car has a greater (larger) momentum? __ What is the best way to counteract (act against or opposite of momentum? (What do we use to slow our momentum?)The purpose of a Truss Bridge is to distribute weight so that it is light than the force applied. to make the bridge heavier.2. Name the lens that has the greater curve in (a) a refracting telescope (b) a compound microscopePREV 606162636465666768 NEXT
