Linear expansivity of steel is 0.000012/K, The forth bridge has a steel span of 1000m between the main piers. calculate in centimetres the change in length of the span when the temperature changes from -10k to 30k.

If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is