A sailboat ends up 7 miles to the west of a pier. Which statement is true about this situation?

If two equal forces act on an object in opposite directions, what is the net

labwork [276]

Answer:

Net Force = 0

Explanation:

Causes objects to accelerate. Balanced Forces. Two equal forces push in opposite direction causing no change in motion causing net force = 0.

4 0

3 years ago

Which of the following statement(s) is

alexgriva [62]

Answer:

Explanation:

A rectifier is an electrical device that converts alternating current (AC) to direct current (DC), a process known as rectification. Rectifiers have many uses including as components of power supplies and as amplitude modulation detectors (envelope detectors) of radio signals. Rectifiers are most commonly made using solid state diodes but other type of components can be used when very high voltages or currents are involved. When only a single diode is used to rectify AC (by blocking the negative or positive portion of the waveform), the difference between the term diode and the term rectifier is simply one of usage. The term rectifier describes a diode that is being used to convert AC to DC. Most rectifier circuits contain a number of diodes in a specific arrangement to more efficiently convert AC power to DC power than is possible with only a single diode.

5 0

2 years ago

A pool and stops at the

Bas_tet [7]

In Linear motion the swimmer swims

8 0

2 years ago

The world's fastest production sportscar has a top speed of 415 kmh-1(a)Convert this speed to ms-1.[ 1](b)The distance from Lond

Alex73 [517]

Answer:

(a). The speed is 115.28 m/s.

(b). The time is 94 min.

(c). The International Space Station travels 43202.400 km.

(d). Speed is scalar quantity.

Velocity is vector quantity.

Explanation:

Given that,

Top speed = 415 km/h

1 miles = 1609 m

(a). We need to calculate the speed in m/s

Using conversion of km/h to m/s

$v=415\ km/h$

$v=415\times\dfrac{5}{18}$

$v=115.28\ m/s$

(b). We need to calculate the distance from London to Edinburgh in km

Using conversion for distance

$d=403\ miles$

Distance in meter,

$d=403\times1609$

$d=648427\ m$

$d=648.427\ km$

We need to calculate the time

Using formula of time

$t=\dfrac{d}{v}$

Put the value into the formula

$t=\dfrac{648.427}{415}$

$t=1.56\ h$

$t=1\ hours 34\ min$

$t= 94\ min$

(c). Speed v' =7.66 km/s

v'=7660 m/s

In the time it takes the car to travel from London to Edinburgh,

We need to calculate the distance

Using formula of distance

$d'=v'\times t$

Put the value into the formula

$d'=7660\times94\times60$

$d'=43202400\ m$

$d'=43202.400\ km$

(d). Speed :

Speed is equal to the distance divided by time.

It is scalar quantity.

Velocity :

Velocity is equal to the displacement divided by time.

It is vector quantity.

Hence, (a). The speed is 115.28 m/s.

(b). The time is 94 min.

(c). The International Space Station travels 43202.400 km.

(d). Speed is scalar quantity.

Velocity is vector quantity.

3 0

2 years ago

When does the autumnal equinox occur in the Southern Hemisphere?

Svetlanka [38]

All answers to the Earth Science, Meteorology: Part 1 Unit Test
1. B. March 21
2. D. December 21
3. B. They move faster.
4. C. 300,000 kilometers per second
5. B. Conduction
6. A. longer than those emitted by the sun
7. D. Water vapor and carbon dioxide
8. C. Scattering
9. D. Both b and c
10. C. There is a greater percentage of water surface in the Sourhern Hemisphere
11. D. Both a and b
12. B. Absorbing outgoing radiation
13. D. Deposition
14. B. It contains more water vapor than cold air
15. D. Both a and b
16. D. All of the above
17. B. Subtropical high
18. B. Day and flows torad the land
19. Essay
20. Essay
21. Essay
22. Essay

3 0

3 years ago