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4vir4ik [10]
3 years ago
15

Question 1: A man trailing a trolley bag and suddenly, the wheels of the trolley bag get locked. The man realises that he has to

put extra effort to drag the bag. The man finds it difficult to drag the bag because
Physics
1 answer:
sergiy2304 [10]3 years ago
3 0

Answer: Because of the friction force acting directly on the bag.

Explanation:

The function of the wheels is diminish the effect of the friction force, when the friction pulls back, it makes the wheel rotate, and this force is not applied directly on the bag.

Now the wheels are not working, so now the friction is acting directly on the bag, this is why the mand finds more difficult to drag the bag.

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Neptune's largest satellite is named WHAT and revolves in a WHAT orbit.
Rom4ik [11]
Neptune's largest satellite is Triton, and it revolves in a retrograde orbit, meaning to opposite of Neptune's totation<span />
4 0
3 years ago
If the length of a pendulum is doubled,what will be the change in its time period??
Phantasy [73]

Explanation:

see the attachment.. hope it will help you

6 0
3 years ago
An electronic balance shows the mass of a sample of sodium chloride to be 29.732 g. what is the uncertainty of the measurement
OLEGan [10]

The uncertainty of the measurement is 0.001 gm.

The uncertainty in the measurement of a physical quantity is given as how precisely we can measure that, in this case as we can see that the mass of the sodium chloride is precisely given as 29.732 gm, this means the electronic scale is precise to 0.001 gm and round of the values after that which means there is a uncertainty of 0.001 gm.

8 0
3 years ago
Give an example for each of the following, where the force:
max2010maxim [7]

Explanation:

  • A cricket player hitting the ball from opposite direction.
  • A footballer kicking ball with more force.
  • Heating of a plastic bottle.
  • Applying brake of a car.
  • rolling a stopped marble on a table.

7 0
3 years ago
Read 2 more answers
20 m
liubo4ka [24]

Answer:

  1.9 km​

Explanation:

The equation for vertical motion is ...

  h(t) = -4.9t^2 +26t +20

This will have a zero near t = 5.988 seconds.*

The horizontal distance traveled in that time is ...

  (310 m/s)(5.988 s) ≈ 1856 m ≈ 1.9 km

_____

* The root of a quadratic can be found numerous ways. We choose the quick and easy: let a graphing calculator show it to you.

5 0
4 years ago
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