Questions and answers by

John Smith

Questions (12)

A weightlifter uses energy at a rate of 1000 J per second. He lifts a 100 kg mass at a constant ratein 1.5 seconds. Find the
1. 1 answer
2. 439 views
A two man bobsled is pushed along a horizontal, frictionless track by the brakeman. The driver andbobsled have a mass of 280 kg.
1. 1 answer
2. 397 views
A 0.05 kg golf ball is placed on a tee. The golf ball is hit by a golf club and has a final speed of 40m/s. Assume that the
1. 1 answer
2. 756 views
12.) In which sentence about “Rikki-tikki-tavi” is immensely used correctly?Darzee’s wife takes great pride in her
1. 1 answer
2. 700 views
1. The current atomic model would be revised if(1 point) A• better microscopes were being used to study its structure. B•
1. 11 answers
2. 6,267 views
THe explict rule for a sequence is given.an=4n-1 What is the recursive for the sequence? I got a1=3 ; an=an-1+4
1. 1 answer
2. 2,787 views
What is the recursive rule for the sequence?-7.4, -21.2, -35, -48.8, -62.5 I got an=an+1 -13.8 where a1=-7.4
1. 2 answers
2. 651 views
A block of mass 0.40 kg rests on the inclined surface of a wedge of mass 7.0 kg. The wedge is acted on by a horizontal force F
1. 0 answers
2. 775 views
You decide to make a simple pendulum by attaching a bowling ball to a very light wire and suspending it from the ceiling in your
1. 1 answer
2. 944 views
A 1.73 g sample of a molecular compoundis dissolved in 105 g of tetrachloromethane (carbon tetrachloride). The normal boiling
1. 2 answers
2. 1,823 views
When fighting a fire the velocity V of water being pumped into the air is modeled by the function v=√2hg, where h represents
1. 0 answers
2. 493 views
Together these two turkeys weigh twenty pounds," said the butcher. The little fellow sells for two cents a pound more the big
1. 3 answers
2. 672 views