On June 9, 1983, the lower part of the Variegated Glacier in Alaska was observed to be moving at a rate of 64 m per day. What is this speed in kilometers per hour?

Answers

Answer 1

Answer:
(64 meter/day) x (1 kilometer / 1,000 meters) x (1 day / 24 hours) =

   (64 x 1 x 1) / (1,000 x 24) (kilometer/hour) =

   1/375 km/hour

    (0.002667 km/hour, rounded)

   2-2/3 meters/hour

   (8-ft 9-inches) per hour

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In a video game, a flying coconut moves at a constant velocity of 20 meters/second in the positive direction. The coconut hits an obstacle and moves in the opposite direction with a constant velocity of 10 meters/second. What’s the change in velocity of the coconut?

Answers

Answer:

30 negative is the change in velocty

Explanation:

Answer:-30 m/s

Explanation:

When you run around a track at 5 km/h, your velocity is constant.

Answers

No it isn't. Speed and direction are both components of velocity.
When you run around the track at 5 km/hr, although your speed is
constant, your direction keeps changing, so your velocity does too.

A force of 34.5 newtons is applied to an object at an angle of 45 º with the horizontal. What is the force acting on the object in the horizontal direction?

Answers

The horizontal component of the force is 34.5 cos(45) = 24.4 newtons

The vertical component of the force is 34.5 sin(45) = 24.4 newtons

Answer:

24.4

Explanation:

Can someone help please

Answers

Hi there!

We know that:

Potential energy = mgh, where:

m = mass

g = acceleration due to gravity

h = height

We know that ΔPE = mgΔh = 1.47 kJ, so:

1.47kJ = mgΔh

Remember to convert kJ to J for simplicity: (1 kJ = 1000J)

1470J = mgΔh

Rearrange to solve for Δh:

1470/mg = Δh

1470/(60 · 9.8) = 2.5m

do you think that this method of identifying unknowns would be effective for identifying any unknown element?

Answers

Unknowns, represented by variables, are effective for identifying the value. They stand for a certain amount, and solving for them would uncover values, like force etc.

In a bizarre but harmless accident, Superman fell from the top of the Eiffel Tower. How fast was Superman traveling when he hit the ground 7.80 seconds after falling?

Answers

Well, he was falling at 78 m/s, assuming $g=10m/s^2$ and the air friction is negligible.

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