Brittany is a high school junior who worries about her money habits her parents have always worked hard but they’ve never had enough money to buy her trendy clothes Brittany recently landed a job at a clothing store in the mall now

What mass will a pumpkin have a force of 450 newton’s accelerates it to 110 m/s^2? include the correct units.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?