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DENIUS [597]
3 years ago
15

A quantity that has both direction and magnitude is known as what

Physics
1 answer:
RideAnS [48]3 years ago
8 0

Answer:

A vector is a quantity that has both magnitude and direction. DEF: A scalar is a quantity that has magnitude but NO direction.

Explanation:

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You can mow an average of 1400 square meters each hour. How many minutes will it take you to mow a lawn with an area of 320000 s
Ksivusya [100]

Answer:

time required to mow lawn is 1274.06 minutes

Explanation:

given data

average mow = 1400 square meters each hour

area = 320000 square feet

to find out

How many minutes will take to mow lawn

solution

we know that here 1 square feet is equal to 0.092903 square meter

so 320000 square feet will be = 0.09203 × 320000 = 29728.9728 square meter

so time required is express as

time required = \frac{distance}{speed}

time required = \frac{29728.9728}{1400}

time required = 21.23 hours

so time required = 21.23 × 60 min = 1274.06

time required to mow lawn is 1274.06 minutes

7 0
3 years ago
How would you go about measuring the speed of a vehicle? What measurements would you have to take? What calculations would you h
White raven [17]

Answer:

For a body moving at a uniform velocity you can calculate the speed by dividing the distance traveled by the amount of time it took, for example one mile in 1/2 hour would give you 2 miles per hour. If the velocity is non-uniform all you can say is what the average speed is.

3 0
3 years ago
Explain how fossil fuels are turned into useful forms of energy ?
jekas [21]
Fossil fuels like coal for instance , when they are provided with heat energy (heating them) they start producing Kinetic energy . This kinetic energy will be passed along a turbine which transforms this K.E to an electrical energy used in different useful forms.
5 0
4 years ago
A boy jumps from rest, straight down from the top of a cliff. He falls halfway down to the water below in 0.883 s. How much time
Salsk061 [2.6K]

Answer:

1.25 s

Explanation:

We are given that

Initial velocity of boy=u=0

Time=0.883 s

Let x be the total distance covered by boy in entire trip.

s=\frac{x}{2}

We know that

s=ut+\frac{1}{2}gt^2

Where g=10m/s^2

Substitute the values

\frac{x}{2}=0\times 0.883+\frac{1}{2}(10)(0.883)^2

\frac{x}{2}=3.898

x=3.898\times 2=7.796m

Again using the above formula

7.796=0(t)+\frac{1}{2}(10)t^2

7.796=5t^2

t^2=\frac{7.796}{5}=1.5592

t=\sqrt{1.5592}=1.25 s

Hence, 1.25 s passes during his entire tripe from the top down to the water.

8 0
3 years ago
Match the traits to the ogransims
k0ka [10]
Need more than that to answer this question
4 0
3 years ago
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