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Fittoniya [83]
2 years ago
12

What are significant figures?

Physics
2 answers:
777dan777 [17]2 years ago
5 0

Answer:

The term significant figures refers <em>to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation. </em>

Hope its helpful!

34kurt2 years ago
3 0

Answer:

The term significant figures refers to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation.

Explanation:

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The speed of a car is 40m/s after 10 sec suddenly there was a crowd and the driver reduces its speed to 20m/s. What is the decel
aliya0001 [1]

Explanation:

the number 0.4 in P4 from east

4 0
3 years ago
The baseball diamond is a square with sides 27.4 m long. If the positive x-axis points from home plate to first base and the pos
miss Akunina [59]

Answer:

What is the magnitude of the player 's displacement? A baseball "diamond" is a square, each side of length 27.4 m, with home plate and if each length of the base is 27.4 m, and the baseball player ran to third base,Then, the baseball player is 27.4 feet away from home plate (where he started)below the horizontal.

Explanation:

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3 years ago
How far can a cyclist travel in 2.5h along a straight road if her
PSYCHO15rus [73]

Answer:

<em>I </em><em>think </em><em>its </em><em>4</em><em>5</em><em> </em><em>km</em>

<h3>I HOPE ITS RIGHT IF NOT THEN SORRY</h3>

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6 0
3 years ago
Read 2 more answers
A 5000 kg railcar hits a bumper (a spring) at 1 m/s, and the spring compresses 0.1 meters. Assume no damping. a) Find the spring
ludmilkaskok [199]

Answer:

k = 0.5 MN/m

Explanation:

Mass of the railcar, m = 5000 kg

Speed of the rail car, v = 1 m/s

The Kinetic energy(KE) of the railcar is given by the equation:

KE = 0.5 mv²

KE = 0.5 * 5000 * 1²

KE = 2500 J

The spring's compression, x = 0.1 m

The potential energy(PE) stored in the spring is given by the equation:

PE = 0.5kx²

PE = 0.5 * k * 0.1²

PE = 0.005k

According to the principle of energy conservation, Kinetic energy of the railcar equals the potential energy stored in the spring

KE = PE

2500 = 0.005k

k = 2500/0.005

k = 500000 N/m

k = 0.5 MN/m

8 0
4 years ago
What is the Force in Newtons exerted by cart with a mass of 0.75 kg and an Acceleration of 6m/s2?
denis-greek [22]

Answer:

<h2>4.5 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 0.75 × 6 = 4.5

We have the final answer as

<h3>4.5 N</h3>

Hope this helps you

6 0
3 years ago
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