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Setler [38]
2 years ago
13

The graph shows the federal budget from 1980 to 2010. In which period did the federal budget show the greatest deficit?

Physics
1 answer:
kodGreya [7K]2 years ago
8 0

Answer:

2000 to 2010

Explanation:

sorry I'm just guessing

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3. As the duration of a maximal effort increases from 10 seconds or less to between 10 and 180 seconds, what factor becomes limi
Molodets [167]

Answer:

Anaerobic energy

Explanation:

Anaerobic energy is produced at maximal effort within a very short period, anaerobic energy is energy produced when effort is expended at quick bursts and usually less than 10 seconds.

Therefore, if maximal effort time is increased beyond 10 seconds, the energy produced is not anaerobic and as such, anaerobic energy is limited.

7 0
3 years ago
Plz help me!!!! A spring is connected to a wall as shown below. A mass on a horizontal surface is connected to the springs and p
kirill [66]

Answer:

320 N/m

Explanation:

F = k·Δx

where

F is the restoring force of the spring

k is the proportionality constant called the ‘spring constant’

Δx is the change in the spring’s position due to the deformation.

You need the k so

25 cm= 0.25m

k=F/∆x = 80/0.25 = 320 N/m

6 0
3 years ago
A(n) 0.47 kg softball is pitched at a speed of 10 m/s. The batter hits it back directly at the pitcher at a speed of 29 m/s. The
nadya68 [22]

Answer:

18.33 Ns

Explanation:

As the pitch back speed has the opposite direction as before, the change in velocity would be

\Delta v = v_2 - v_1 = 29 - (-10) = 39 m/s

So the change in momentum of the ball would be the product of its velocity change and its mass

\Delta p = \Delta v m = 39 * 0.47 = 18.33 kgm/s

This is equals to the impulse acted on the ball by the bat, which is 18.33 Ns

8 0
3 years ago
F an object has a mass of 200 kg and a weight of 1000 N, what is g?
jeka94

Answer:

g = 5 m/s square

Explanation:

Weight(W), Mass(m), Gravity(g)

W = mg

1,000N = 200g

g = 1000/200

g = 5 m/s square

7 0
2 years ago
What happens when the fuel in a car engine combustion?​
Trava [24]

In a spark ignition engine, the fuel is mixed with air and then inducted into the cylinder during the intake process. After the piston compresses the fuel-air mixture, the spark ignites it, causing combustion. The expansion of the combustion gases pushes the piston during the power stroke.

Credit: Department of Energy

5 0
3 years ago
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