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bogdanovich [222]
2 years ago
11

Stephen throws a 0.46 kg football at a speed of 14 m/s and it goes through the goal posts 2.4 m above where he threw it. What is

the kinetic energy of the football as it passes through the goal posts?
Physics
1 answer:
Dovator [93]2 years ago
5 0
  • Answer:
  • \\  \\ 0.46 \times 14 {2 }^{2}  = 90.16 \\

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The rectangular boat shown below has base dimensions 10.0 cm × 8.0 cm. Each cube has a mass of 40 g, and the liquid in the tank
Paladinen [302]

When boat is sunk into the liquid the net buoyancy on the boat is counterbalanced by weight of the boat

So here weight of the boat = Buoyancy force

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now we can say

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F_b = 1000*0.10 * 0.08 * h * 9.8

now by above force balance equation we can write

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8 0
3 years ago
A used car already has 40,000 miles on its odometer. The average owner will drive 12,000 miles per year. Which function best mod
bekas [8.4K]

Answer:

y = 12,000x + 40,000

Explanation:

A linear relationship that would model the mileage of the car in this example is:

y=mx+q

where

y is the number of miles

x is the number of years

m is the number of miles driven per year

q is the number of miles already in the car at x=0

In this problem, we have

m = 12,000 (number of miles driven per year)

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