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Galina-37 [17]
2 years ago
10

NO LINKS! What are the definitions of initial horizontal velocity and initial vertical velocity? Please help! This like is my 20

th time asking this question because many people have been scamming me...
Physics
1 answer:
garri49 [273]2 years ago
6 0

Answer:

answer

Explanation:

The initial horizontal velocity canbe determined by measuring the diameter of the ball and dividing by the time that it takes for the ball to move across the photogate. That is Vo = d/t.

When Vertical velocity refers to the speed of an object's movement in a vertical direction.

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A car has an acceleration of 1.5 m/s2. A net force of 2100 N is acting on the car. What is the mass of the car?
gulaghasi [49]

Answer:

Given

acceleration (a) =1.5ms2

Force(F) =2100N

R. t. c mass (m) =?

Form

F=ma(divided by m both sides)

m=F/a

m=2100/105

m=1400kg

mass of car =1400kg

8 0
3 years ago
if the amplitude of sine curve is 4 and the frequency is 1 with no phase shift, what is the function that descirbes this curve?
Vlada [557]

Answer:

y = 4 Sin (2πt)

Explanation:

Amplitude, A = 4

frequency, f = 1

Wave function is given by

y = A sinωt

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So, the desired wave function

y = 4 Sin (2πt)

8 0
3 years ago
13. Which statement correctly describes the human heart? A. It has three chambers, and pumps blood directly into veins. B. It ha
Marta_Voda [28]
Number 13 is D the heart has 4 chambers and pumps blood to the arteries and number 14 us C

8 0
3 years ago
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3. A car travelling at 20. m/s stops in a distance of 40. m. What is its
KIM [24]

Answer:

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4 0
2 years ago
How many electrons pass through a standard 60 watt light bulb in one second?
timofeeve [1]
A standard 60 W light bulb has a voltage of 130 volts. So, we use this conversion, the Faraday's constant which is equal to approximately 96,500 Coulombs per mole electron, and the Avogadro's number equal to 6.022×10²³ particles/mole . The solution is as follows:

W = Energy/time
60 W = x J/1 s
x = 60 J = 60 C·V

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= 2.88×10¹⁸ electrons
6 0
2 years ago
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