1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natulia [17]
2 years ago
6

WILL GIVE BRAINLIEST

Physics
1 answer:
Vilka [71]2 years ago
6 0

Answer:

4.44m/s

 

Explanation:

Given parameters:

Number of laps  = 4

Length of track  = 400m

Time taken  = 6min

Unknown:

Average speed  = ?

Solution:

The average speed is the total distance covered divided by the time taken.

It is mathematically expressed as;

  Average speed  = \frac{total distance}{time taken}  

Total distance  = number of laps x length of track  = 4 x 400  = 1600m

Now convert the time to seconds;

         60s  = 1 min

             6 minutes will be 6 x 60 = 360s

So;

  Average speed  = \frac{1600}{360}  = 4.44m/s

 

You might be interested in
A cannon fires a cannonball 500.0 m downrange when set at a 45.0o angle. At what velocity does the cannonball leave the cannon?
kobusy [5.1K]

Answer:

v = 70 m/s

Explanation:

Range on the cannon ball is given as

d = 500.0 m

here the angle of the projection of the ball is given as 45 degree

now we know that if the velocity of the ball is "v" then its two components will be given as

v_x = vcos45

v_y = vsin45

so here time of flight of the motion is given as

T = \frac{2v_y}{g}

T = \frac{2vsin45}{g}

also the range is given as

R = v_x T

R = (vcos45)(\frac{2vsin45}{g})

now plug in all data in this equation

500.0 = \frac{v^2(2sin45cos45)}{g}

v = 70 m/s

4 0
3 years ago
Two girl scouts are sitting in a large canoe on a still lake while at summer camp. the canoe happens to be oriented with the fro
MrRissso [65]
That it's more puashe on the back of the canoe and that effects the back of the canoe to fall back
7 0
3 years ago
The melting of a glacier is an example of the interactions among which of Earth’s spheres?
Anuta_ua [19.1K]
Atmosphere, geosphere, cryosphere would be the correct answer I think
4 0
3 years ago
True or false? A proton carries a positive charge.
Setler79 [48]
True a proton carries a positive charge, a neutron carries a neutral charge and an electron carries a negative charge.
6 0
3 years ago
What is the difference between a general and a specific tolerance, and how can you tell the difference on a drawing?
Gnesinka [82]
<span>During the reading of a blueprint, a general tolerance pertains to all dimensions that are not independently identified. All tolerances are +\- .030. General tolerances are mostly found in the blueprint’s set of information. Let’s say for example, a compact tolerance is required, then a specific tolerance is considered for specific areas of the blueprint. These kinds of tolerances are commonly found along the affected area.</span>
6 0
3 years ago
Other questions:
  • The slope of a distance vs. time graph is a measurement called
    10·1 answer
  • Extreme tides are
    9·1 answer
  • According to Newton’s First Law of Motion, if a ball is rolled in a straight line in an open field, what will happen to the ball
    5·1 answer
  • 33. A zebra is at rest 60 m away from a charging lion
    10·1 answer
  • An ice cube melts when its mechanical energy increases.
    13·2 answers
  • An increase in the transparency of earths atmosphere is often caused by
    11·2 answers
  • To make and sell fireplaces, Hearth, Inc., buys igniters, tubing, and other parts from Inflame Parts and installs them without m
    15·1 answer
  • A ball is thrown vertically upwards with a velocity of 20 m s −1 from the top of a multistorey building of 25 m high. How high w
    8·1 answer
  • g 2. In a laboratory experiment on standing waves a string 3.0 ft long is attached to the prong of an electrically driven tuning
    9·1 answer
  • Jerome does not pay his balances off his credit cards each month. he often has to pay interest and finance charges. what is jero
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!