A quantity that has only one magnitude

A projectile is fired straight up from ground level. After t seconds it's height is above the ground is h feet where h=-16t^2+144t. For what time period is the projectile at least 288 ft off the ground?

What happens when two minerals have different arrangements of Atoms

What is the best definition for the term "conserved" in the law of conservation of momentum? A. the same over time B. increasing at a constant rate C. equal to mass times velocity D. dependent on the number of particles in the group

Two small metallic spheres with equal mass are suspended as pendulums by strings of length L. The spheres have the same electric charge and come to equilibrium with each string at an angle of Θ = 10.00° with the vertical.

A bicyclist and a parked car have a head-on collision. Which experiences the greater force: the bicyclist, the car or the same?

What is Precambrian time?

Calculate the kinetic energy in joules of a 1500 kg automobile moving at 19 m/s

What is a fault? A. the name for 2 opposing forces B. a type of crust that moves under heavier crust C. A crack in earths crust where movement occurs D. A volcanic region where new material is being created

18. Which does not affect the strength of an electromagnet? A the current in the solenoid B the temperature of the coil OC the number of loops in the coil D the type of ferromagnetic core

What causes the electric charges to flow from one end of the battery to the other? a balance in electric potential a balance in resistance a difference in electric potential a difference in resistance