Hitting a ball off a tee would be considered which of the following?

Rus_ich [418]

Answer: B

Baking soda has unique properties. It can be used in multiple ways, like cleaning. Productive means something produces a lot of something. Baking soda does not produce anything. Baking soda does not have distinguishable properties, other things can substitute baking soda.

Hope this answer helps you!

7 0

4 years ago

A yellow and green car traveled 400 miles to Dayton, OH. The green car made the trip in 10 hours. The yellow arrived in 8 hours.

elixir [45]

Answer: C)The yellow car was faster. Yellow traveled at a speed of 50 mph while green was traveling at an average of 40 mph.

Explanation:

The speed of each car is defined as:

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

where d is the distance traveled by the car and t is the time taken.

For the yellow car, d=400 mi and t=8 h, so its speed is

$v=\frac{400 mi}{8 h}=50 mph$

For the green car, d=400 mi and t=10 h, so its speed is

$v=\frac{400 mi}{10 h}=40 mph$

So, the correct choice is

C)The yellow car was faster. Yellow traveled at a speed of 50 mph while green was traveling at an average of 40 mph.

4 0

4 years ago

Read 2 more answers

The wheelchair starts from rest. It accelerates at a constant rate until it has a speed of 1.5 m/s. The wheelchair travels a dis

anastassius [24]

<h2>Answer:-</h2>

$\pink{\bigstar}$ The acceleration of the wheelchair is $\large\leadsto\boxed{\tt\purple{0.5625 \: m/s^2}}$

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<h3>• Given:-</h3>

Initial velocity of the wheelchair = 0 m/s

Final velocity of the wheelchair = 1.5 m/s

Distance covered by the wheelchair = 2 m

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Acceleration of the wheelchair = ?

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<h3>• Solution:-</h3>

We know,

• Third Equation of Motion:-

$\pink{\bigstar}$ $\large\underline{\boxed{\bf\green{v^2 - u^2 = 2as}}}$

where,

u = Initial velocity

v = Final velocity

a = Acceleration

s = Distance covered

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• Substituting the values in the Formula:-

➪ $\sf (1.5)^2 - (0)^2 = 2 \times a \times 2$

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➪ $\sf 2.25 - 0 = 4 \times a$

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➪ $\sf 2.25 = 4 \times a$

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➪ $\sf a = \dfrac{2.25}{4}$

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★ $\large{\bold\red{a = 0.5625 \: m/s^2}}$

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Therefore, the acceleration of the wheelchair is 0.5625 m/s².

7 0

3 years ago

What makes soil a nonrenewable resource when new soil is constantly being made

Contact [7]

Soil is nonrenawable sorce cuase its on the ground i dont think dirt will ever run out

3 0

3 years ago

A 1200 kg safe is 2.0 m above a heavy-duty spring when the rope holding the safe breaks. The safe hits the spring and compresses

makvit [3.9K]

the spring constant is 200kN/m.

The work done on the spring by the the free falling safe is equal to the kinetic energy of the spring:

W1 = $\frac{1}{2}$ k $x^{2}$

The work done on the safe by gravity is the potential energy of the spring:

W2 = (mass of safe) x g x (height)
= 1000kg x 9.8 m/s^2 x (2 + 0.54)m
=1000kg x 9.8 m/s^2 x (2.54)m
= 24,892 N-m

W2 = W1 =24892 N-m
⇒ $\frac{1}{2}$ k $(0.5)^{2}$ = 24892 N-m

Therefore, k = $\frac{(24892)*2}{0.5*0.5}$ = 199136 kN/m.

The spring constant is 199,136 N/m ≈ 200 kN/m

7 0

4 years ago