Calculate the acceleration of a car which has the force of 1800N and a mass of 1000kg.

a ball slows down as it rolls up hill this is an example of? neutral motion, relative velocity, positive acceleratio, negative acceleration

A Brayton cycle has air into the compressor at 95 kPa, 290 K, and has an efficiency of 50%. The exhaust temperature is 675 K. Find the pressure ratio and the specific heat addition by the combustion for this cycle. (Borgnakke, 02/2019, p.

A rocket blast off and moves away from the earth. How is the rocket affected by the earth's gravitational pull as it gets further away? A. The pull of gravity on the rocket reverses. B. The pull of gravity on the rocket increases. C.

A resistor resists the flow of electricity and usually converts electrical energy to heat energy. True or False?

Describe where to look on the periodic table to find elements which have similar reactivity and other properties

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases