The length that a hanging spring stretches varies directly with the weight placed at the end of the spring. If a weight of 11lb stretches a certain spring 7in., how far will the spring stretch if the weight is increased to 44lb?

Which best describes how air moves during convection?

Block m1 of mass 2m and velocity v0 is traveling to the right (+x) and makes an elastic head-on collision with block m2 of mass m and velocity - 2v0 (i. e., traveling to the left). What is the velocity v1′ of block m1 after the collision?

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

A wire that has a resistance of 1Ω is to be built from an aluminum block of volume 1 cm3 . How long is the wire going to be?

Two Jupiter-size planets are released from rest 7.00*1010 m apart. What are their speeds as they crash together?

A light wave is traveling straight up out of the ocean then moves out into the air how do you expect the movement of the light wave to change the light wave will

To verify that this expression for (vf) α has the correct units of velocity, you need to perform some unit analysis. begin by finding the equivalent of a volt in terms of basic si units.

Which of the following best describes transverse waves

What are the arrangement of resistors in series

A pilot flies horizontally at 1300 km/h, at height h! 35 m above initially level ground. However, at time t! 0, the pilot begins to fly over ground sloping upward at angle u! 4.3° (Fig. 2-38).