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zzz [600]
3 years ago
15

You walk into the kitchen and see a broken egg on the floor. Which of the following is an inference you can make based on this o

bservation?
A. The egg rolled off the kitchen counter.
B. The dog will eat the egg on the floor.
C. There are pieces of broken eggshell on the floor.
D. The egg is at room temperature.
Physics
2 answers:
lions [1.4K]3 years ago
7 0
..............A  is the answer...................

Over [174]3 years ago
6 0
I'd say A. because an inference is a guess/estimate. You can assume that the egg rolled off the kitchen but you know that C and D are true.
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011 10.0 points
Ulleksa [173]

Answer:

2.47 m

Explanation:

Let's calculate first the time it takes for the ball to cover the horizontal distance that separates the starting point from the crossbar of d = 52 m.

The horizontal velocity of the ball is constant:

v_x = v cos \theta = (25)(cos 35.9^{\circ})=20.3 m/s

and the time taken to cover the horizontal distance d is

t=\frac{d}{v_x}=\frac{52}{20.3}=2.56 s

So this is the time the ball takes to reach the horizontal position of the crossbar.

The vertical position of the ball at time t is given by

y=u_y t - \frac{1}{2}gt^2

where

u_y = v sin \theta =(25)(sin 35.9^{\circ})=14.7 m/s is the initial vertical velocity

g = 9.8 m/s^2 is the acceleration of gravity

And substituting t = 2.56 s, we find the vertical position of the ball when it is above the crossbar:

y=(14.7)(2.56) - \frac{1}{2}(9.8)(2.56)^2=5.52 m

The height of the crossbar is h = 3.05 m, so the ball passes

h' = 5.52- 3.05 = 2.47 m

above the crossbar.

8 0
3 years ago
HELP!!!!!! Need Help !!!
denis23 [38]

Answer:

its y

Explanation:

3 0
2 years ago
What can increase the gravitational potential energy of a object
love history [14]

Answer:

Increase in mass and height

Explanation:

The gravitational potential energy of an object can increase if the mass and height of object is increased.

Gravitational potential energy is the energy due to the position of a body.

It is expressed as:

  Gravitational potential energy = mass x acceleration due gravity x height

Increasing mass and height will cause an increase in gravitational potential energy.

6 0
2 years ago
Define international employees ​
lora16 [44]

Answer:

An “international employee” is defined as an employee of Stanford University whose work site is located.

Explanation:

6 0
3 years ago
In the movie "gravity" - Why did the escape pod get stuck and pulled back?
victus00 [196]

Answer:

because nono gravity

Explanation:

no gravity

3 0
2 years ago
Read 2 more answers
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