What is the force of gravity between you and a standard tennis ball if you are 1 meter away from it?

Four objects are being tested to see how they are affected by fluid friction. object w has a surface area of 4.5 cm2, object x has a surface area of 2.5 cm2, object y has a surface area of 6.2 cm2, and object z has a surface area of 3 cm2. which object would experience the most fluid friction?

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.