3 years ago

A train travelling at 18m/s accelerates uniformly at 2m/s² for 6 seconds. Calculate the final speed of the train.

Physics

1 answer:

kobusy [5.1K]3 years ago

8 0

its going to be 30 m/s

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calculate the distance a plane flies on a 7.95 hour flight from Chicago to London. Assume a constant speed of 800.0 km/h

soldier1979 [14.2K]

Answer:

6360 km

Explanation:

Use the kinematics equation $x=v_ot+\frac{1}{2}at^2$ . We are given t = 7.95 hours and a = 0 m/s^2 (constant speed means there is no acceleration). Solve for x.

$x=(800)(7.95)+\frac{1}{2}(0)(7.95^2)\\x=6360 \ km$

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What is the velocity of the particle when its acceleration is zero?

Zigmanuir [339]

Its velocity would be constant

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Dose aloe Vera grow in the mesa?

Zina [86]

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3 years ago

A 1200N load is to be lifted with 200N effort using a first class lever. At what distance

kipiarov [429]

Explanation:

Hey there!!

Let's simply work with it.

Here,

load = 1200N

Effort = 200N

Load distance = 15cm

We have,

According to the principle of lever.

L×LD = E×ED.

1200×15 = 200× ED.

18000 = 200ED.

$ed = \frac{18000}{200}$

Therefore, Effort Distance = 90cm.

Hope it helps....

7 0

3 years ago

.How long it will take to travel 12m with the speed of 330m/s

avanturin [10]

Answer:

0.036 seconds

Explanation:

Time= 12/330

Time = 0.036 seconds

6 0

2 years ago