it might dangerous to raise an umbrella in a storm

How long will it take to go 150 km [E] traveling at 50 km/hr?

A substance that cannot be broken down into simpler substances is called an A. atom B. element C. solution D. homogeneous mixture

Find the acceleration of a train whose speed increases from 7m/s to 17 m/s in 120s

How much force is required to keep a 2 kilogram object moving horizontally with a speed of 4 meters a second

Describe the forces on an object travelling at a constant speed?

Cecelia dropped a ball from a height of 2 m. The ball fell in a straight path down to the ground According to Newton's universal law of gravitation, which would change the path of the ball so it traces out the widest curved path possible?

An object becomes charged when the atoms in the object gain or lose. True or False

A container has 79000cm3 of mercury. Find the mass of mercury if the density is 13.6g/cm3

Explain how the movement of groundwater is related to the water cycle.

Two masses are attracted by a gravitational force of 400 N. What will the force of attraction be if each of these two masses is halved?