a Pontiac trans-am, initially at rest accelerates at a constant rate of 4.0 m/s squared for six seconds how fast will the car be traveling a T equals six seconds

Answers

Answer 1

Answer: use formula: a= Vf-Vi/t
rearrange: Vf=at
solve: Vf= 4.0m/s squared x 6s
Vf = 24 m/s --> sigdigs
Vf = 2.4 x 10^1 m/s

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Answers

Answer:

Not 500 points I got 18 but thx

Explanation:

The horsepower (hp) that a shaft can safely transmit varies jointly with its speed, in revolutions per minute (rpm), and the cube of the diameter. If the shaft of a certain material 3 inches in diameter can transmit 46 hp at 100 rpm, what must the diameter be in order to transmit 74 hp at 175 rpm?

Answers

Answer:

diameter ≅ 3 inches

Explanation:

$HP=k*s*d^(3)$

Use a constant factor, k

Let Hp = horsepower

Let s = speed in rpm

Let d = diameter in inches

to find constant k, using

Hp=46

S=100

d=3 in

$46=k*100*3^(3) \n\n46=k*100*27\n46=2700k\nk=(46)/(2700) \nk=0.017\n\n$

To find diameter when;

Hp=74

S=175

k=0.017

d=d inches

$74=0.017*175*d^(3) \n\n74=2.975*d^3\nd^3=(74)/(2.975) \nd=\sqrt[3]{24.87} \nd=2.9 inches\n\n$ d≅ 3 inches

88.0 km to m (in physics prefixes )

Answers

We know that,

kilometre = 1000 metre

1000 can be written as 10³ which is kilo.

Given,

88.0km = 88.0×1000

= 88.0×10³m

Two technicians are discussing testing MAP sensors. Technician A says that the MAP sensor should be replaced if anything comes out of the sensor when the vacuum hose is removed from the sensor. Technician B says that the injector pulse width should increase when vacuum to the MAP sensor is increased. Which technician is correct?a.Technician A onlyb.Technician B onlyc.Both Technicians A and Bd.Neither Technician A nor B

Answers

The statements from both Technicians A and B are correct.

Answer: Option C

Explanation:

A typical MAP sensors comprises with a ceramic or silicon wafers, sealed with an ideal vacuum on one side and a suction manifold on the other. When the engine (motor) vacuum varies, the differential pressure across the board changes the output voltage or frequency to the MAP sensor. So, sensor vacuum to be increased if injection pulse widths increase.

Most pressure sensors operate at 5 volts from a computer and return a signal (voltage or frequency) based on the pressure applied to the sensor (vacuum). When testing the MAP sensor, make sure that the vacuum hose and hose connections are tightly connected to the engine vacuum source. According to this, concluding that the statements from both technicians are correct.

A cannon tilted upward at θ = 30 ∘ fires a cannonball with a speed of 94 m/s .

Answers

Answer:

i think 30

Explanation:

because the 0-30

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The answer is Metabolism of carbohydrate only. Remember that metaolism is the set of biochemical reactions that occur in the living organism to obtainn energy from food. The most important carbohydrate is glucose. Glucose readily oxydizes into CO2 and water and produces energy.

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