What is the weight of a 25 kg object on Earth with an acceleration due to gravity of 9.8m/s/s? 2.45 n
24.5 n
245 n
2450 n​

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

Which sound characteristic is not affected by the relative motion of an object

A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.