Por favor ayúdenme con la parte d) e) y f). Cuando hice el cuadro me quedaron valores grandes y no sé si está bien

If a textbook weighs 37.2 n on venus, and the book has a mass of 4.4 kg, what is the strength of gravity on venus? 8.9 m/s28.9 m/si don't have enough information,9.8 m/s2

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.