Adecrease in the height of a column in a mercury barometer means that air pressure is increasing wind speed is increasing air pressure is decreasing air pressure is being deflected by the coriolis effect

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

Acar travels 40m in 8 seconds find the car speed