peytonwx peytonwx

21-10-2020
Physics

contestada

A car moving at 30 m/s has 900 kj of kinetic energy. What is the car’s mass?

Respuesta :

GeorgePP GeorgePP

21-10-2020

900,000 = 1/2mv^2
900,000 = 450m
Mass = 2,000kg

Answer Link

Otras preguntas

how do you divide 23 into 713

A school has 375 boys and 405 girls.What percentage (correct to one decimal place) are boys?

The phospholipid molecule has two parts, the polar end and the bipolar end. True or False?

236= 2 hundreds 3 tens and ______ ones = 2 hundreds 2 tens and ______ ones

Square root of x^2-4 plus x^2/x^2+1

a group consisted of 2 girls for every boy. 24 girls joined the group. there are now 5 girls for every boy. how many boys are in the group

Which expression is equivalent to 1/4(8-6x+12)? A) 7/2x B)-13/2 C)-6x+14 D)-3/2x+5 An airplane's altitude changed -378 feet over 7 minutes. What was the mean c

Which of the following did Prince Henry the navigator do to ensure Portugal's success in exploration?

What is the diploid number of the zenkey?

The phospholipid molecule has two parts, the polar end and the bipolar end. True or False?