4 years ago

If a basketball travles a distance of 4 meters in 5 seconds whst is the average speed

Physics

2 answers:

makvit [3.9K]4 years ago

6 0

When you're trying to find the distance and speed, you always use the equation:

Average Speed = Distance/Time

So your answer is:

S=4/5

S= 0.8

tensa zangetsu [6.8K]4 years ago

5 0

Well you would use The equation Average Speed= Distance/Time

S=4/5

S= 0.8

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. You are making a frame of uniform width for a picture that is to be displayed at the local museum. The picture is 4 feet tall

nikdorinn [45]

Answer:

1 feet

Explanation:

Frame width = x

The length of the frame will be

$L=4+x+x$ (bottom and top that is why x is added twice)

$\\\Rightarrow L=4+2x$

The width of the frame will be

$W=3+x+x\\\Rightarrow W=3+2x$

Area is given by

$A=LW\\\Rightarrow 30=(4+2x)(3+2x)\\\Rightarrow 30=12+14x+4x^2\\\Rightarrow 4x^+14x-18=0$

Solving the above equation we get

$x=\frac{-14+\sqrt{14^2-4\cdot \:4\left(-18\right)}}{2\cdot \:4}, \frac{-14-\sqrt{14^2-4\cdot \:4\left(-18\right)}}{2\cdot \:4}\\\Rightarrow x=1, -\frac{9}{2}$

Hence width of the frame is 1 ft

4 0

3 years ago

One student made the incomplete diagram shown below to represent the relationship between igneous rocks, sediments, sedimentary

Kryger [21]

Answer: Option (C)

Explanation: Rock cycle plays an important role in the alteration of rocks from one form to another.

Igneous rocks when undergoes high temperature and pressure condition, it transforms into a metamorphic rock.
Sedimentary rocks are formed from the sedimentation and consolidation of sediments
Igneous rocks are formed due to the crystallization of magma.

Hence the correct answer is option (C)