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3 years ago

True or False: The basketball should be dribbled below the waist.

1 answer:

7 0

True if you have proper stance and use your body the right way then the ball will be below your waist to allow for more control.

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An object of mass 0.50 kg is released from the top of a building of height 8 m. The object experiences a horizontal constant for

liberstina [14]

To solve this problem with the given elements we will apply the linear motion kinematic equations. We will start by calculating the time taken, with the vertical displacement data. Subsequently, with the components of the acceleration, we will obtain the magnitude of the total acceleration, to finally obtain the horizontal displacement with the data already found.

PART A) From vertical movement we know that the acceleration is equivalent to gravity and the displacement is 8m so the time taken to carry out the route would be

$h = \frac{1}{2} gt^2$

Here,

$h = 8 m$

$g = 9.8 m/s^2$

Replacing,

$8 = 0.5 * 9.8 * t^2$

$t = 1.277 sec$

PART B) Now, Magnitude of acceleration

$a = \sqrt{a_x^2 + a_y^2}$

$a_x = \frac{1.9}{0.5} = 3.8 m/s^2$

$a_y = g = 9.8 m/s^2$

Thus, magnitude of net acceleration

$a = \sqrt{3.82^2 + 9.8^2}= 10.51 m/s^2$

PART C) Finally the displacement along horizontal direction is:

$s =v_0 t + \frac{1}{2} a t^2$

$s = 0 + \frac{1}{2} (3.8)(1.277)^2$

$s = 3.098 m$

Therefore the distance traveled along the horizontal direction before it hits the ground is 3.098m

7 0

3 years ago

Why does a mirror get misty after a shower??

masha68 [24]

This is because warm water vapor, suspended in the air, transforms back into water droplets as it cools. These small droplets collect on surrounding surfaces and are especially noticeable on materials such as glass since they distort light waves, making the mirror and windows appear foggy or misty

5 0

3 years ago

Holly is conducting an experiment in which she changes the voltage across a circuit and records the relative brightness of a lig

Juliette [100K]

Answer:

all of these

Explanation:

6 0

2 years ago

Read 2 more answers

A pronghorn antelope has been observed to run with a top speed of 97 km/h. Suppose an antelope runs 1.5 km with an average speed

olya-2409 [2.1K]

0.030 hours
First part of run
d = 1.5 km
s = 85 km/h
t = d / s = 1.5/85
t1 = 0.017647 hours
Second part of run
d = 0.80 km
s = 67 km/h
t = d / s = 0.80/67
t2 = 0.011940 hours
t1 + t2 = 0.017647 + 0.011940
= 0.030 â„Žours

3 0

3 years ago

Read 2 more answers

True or False?<br><br> Heat energy moves from cold areas to warm areas.

hichkok12 [17]

True because heat energy moves to the warmer areas.

4 0

3 years ago

Read 2 more answers