The initial vertical component of the velocity is 15.3 m/s and the angle of the water is 55 degrees. What is the magnitude of the vector?

The answer is 18.7 m/s but how did they get this?

Holly measures the mass and the volume of metal block. Given this information, what can Holly calculate about the block? A) acceleration B) density C) force D) velocity

Which organisms provide the most available energy

A 20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27ÁC is used to fill a balloon at 1.00 atm and 37ÁC. What is the volume of the balloon? A) 2400 Liters B) 2900 Liters C) 3000 Liters D) 3100 Liters

A rock thrown with speed 8.50 m/s and launch angle 30.0 ∘ (above the horizontal) travels a horizontal distance of d = 19.0 m before hitting the ground. from what height was the rock thrown? use the value g = 9.800 m/s2 for the free-fall acceleration.

What does it mean for an element to be in a solid state?

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this

Sodium-22 Sodium-25 # of protons # of neutrons # of electrons

As the particles of a solid undergo sublimation, they A: lose energy B: move closer to one another C: change temperature D: move farther apart from one another

the math club must order 35 new uniform shirts. There are 5 more girls than twice the number of boys in the club. How many of each uniform type should the club order

Find out the kinetic energy of a body of mass 2kg moving with the speed of 3m/s