How might the climate be affected if you were people drove automobiles and more people road bikes or use public transportation like buses or trains

How much tension must a rope withstand if it is used to accelerate a 960kg cat horizontally along a frictionless surface at 1.20m/s^2?

Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it?

a 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. what is its potential energy (PE) when it is 2.00 m above the ground

State two applications of plane mirrors

A spring (k=790n/m) has a length of 48cm when zero net force is applied to it. what will its length be when 230n of force is applied to stretch it?

A uniform, thin, solid door has height 2.20 m, width 0.870 m, and mass 23.0 kg. (a) find its moment of inertia for rotation on its hinges. (b) is any piece of data unnecessary

How does wavelength and frequency affect the speed?

A cyclist turns a corner with a radius of 37 m at a speed of 22 m/s. What's the cyclist acceleration? If the cyclist and cycle have a combined mass of 90 kg, what is the force causing them to turn?

A gas had a initial volume of 168 cm at a temperature of 255 k and a pressure of 1.6 atm the pressure of the gas decreased to 1.3 atm and the temperature of the gas increases to 285 k

A train travels 90 kilometers in 1 hours, and then 60 kilometers in 3 hours. What is its average speed