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Amiraneli [1.4K]
3 years ago
13

A baseball pitcher throws a fastball horizontally at a speed of 43.0 m/s. Ignoring air resistance, how far does the ball drop be

tween the pitcher’s mound and home plate, 60 ft 6 in away?. Express your answer using SI units.
Physics
2 answers:
Nady [450]3 years ago
7 0
Based on your problem where as ask for the distance of the ball drop between the pitchers mound and the home plate and with a given of the speed of ball is 43m/s and the homeplates is 60.6ft away. Based on my step by step procedure and also considering the value of gravity by 9.8m/s^2 i came up with the distance of 144m away
ehidna [41]3 years ago
4 0

Answer:

The distance covered by the ball between the pitcher’s mound and home plate is 0.864 meters.

Explanation:

Given that,

Horizontal velocity of the football, v = 43 m/s

In this case, we need o find the distance covered by the ball between the pitcher’s mound and home plate, 60 ft 6 in away. It implies,

d=60\ ft\ 6\ in\\\\d=60.5\ ft\\\\d=8.44\ m

Let t is the time taken by the football to cover that much distance. So,

t=\dfrac{d}{v}\\\\t=\dfrac{18.44}{43}\\\\t=0.42\ s

Initial velocity of the ball in vertical direction is equal to 0. So, the distance covered by the ball between the pitcher’s mound and home plate is given by :

y=\dfrac{1}{2}gt^2\\\\y=\dfrac{1}{2}\times 9.8\times (0.42)^2\\\\y=0.864\ m

So, the distance covered by the ball between the pitcher’s mound and home plate is 0.864 meters. Hence, this is the required solution.

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2 years ago
Which method of separation would work on a homogeneous mixture salt water
Butoxors [25]
To separate a mixture of salt and water, you can try first by using filter paper hen with the extra water part set it out to the window so that the salt water evaporates and only the salt is remaining.
5 0
3 years ago
Read 2 more answers
Objects are lighter on the moon than they are on earth. if an object A weighs 25lbs on the Moon and another object B weighs 25 N
solong [7]

Answer:

a. Object A

Explanation:

The mass of an object implies the quantity of matter in it, while the weight is the amount of gravitational force applied on an object.

The object A has a mass of 25 lbs, but object B on the earth has a weight, W, of 25 N.

So that,

For object A on the moon, mass = 25 lbs

For object B on the earth, W = 25 N,

W = m x g

25 = m x 10                (g = 10 m/s^{2})

m = \frac{25}{10}

   = 2.5 lbs

Mass of object B is 2.5 lbs.

Therefore, the mass of the object A is more than that of B.

5 0
2 years ago
a 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. what is its potential energy (PE) when it is 2.00 m above the grou
zmey [24]

Answer:

1.56 J

Explanation:

The potential energy only depends on the vertical height from the ground level.

We consider the ground level to have zero P.E.

So when it is 2 m above the ground level,

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7 0
3 years ago
If 34.7 g of O2 reacts with iron to form 79.34 g of iron oxide, how much iron was used in the reaction?
zhuklara [117]

Answer: B. 44.64 g

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

Mass of reactants = mass of iron + mass of oxygen = mass of iron + 34.7 g

Mass of product = mass of iron oxide = 79.34 g

As Mass of reactants = Mass of product

mass of iron + 34.7 g = 79.34 g

mass of iron = 44.64 g

Thus 44.64 g of iron was used in the reaction

6 0
3 years ago
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