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julsineya [31]
3 years ago
15

A student starts a food fight by throwing a 0.5 kg burrito at some girl he likes. He throws it kind-of hard so he accelerates it

at 3 m/s2. How much force did this take?
Physics
1 answer:
Elenna [48]3 years ago
4 0

Explanation:

m = mass of burrito thrown by the student = 0.5 kg

a = acceleration of the burrito thrown by the student = 3 m/s²

F = force applied by the student on the burrito = ?

According to newton's second law , the net force on an object is the product of its mass and acceleration. it is given as

F = ma

inserting the values

F = (0.5) (3)

F = 1.5 N

hence the net force on the burrito comes out to be 1.5 N

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If a frog jumps with an initial velocity of 100m/s at an angle of 60°. a. What is the frog’s x and y components of velocity? b.
Nadya [2.5K]

Explanation:

It is given that,

Initial velocity of frog, u = 100 m/s

It jumps at an angle of 60 degrees.

(a) Let v_x\ and\ v_y are the x and y components of velocity. It can be calculated as :

u_x=u\ cos\theta

u_x=100\times \ cos(60)

u_x=50\ m/s

u_y=u\ sin\theta

u_y=100\times \ sin(60)

u_y=86.6\ m/s

(b) Let y is the maximum height reached by the frog. It can be calculated using the third equation of motion as :

At maximum height, v_y=0

v_y^2-u_y^2=2ay and a = -g

-u_y^2=-2g

y=\dfrac{u_y^2}{2g}

y=\dfrac{86.6^2}{2\times 9.8}

y = 382.63 meters

(c) Let t is the time taken by the frog to reach its maximum height. It can be calculated as :

v_y=u_y-gt

0=u_y-gt

t=\dfrac{u_y}{g}

t=\dfrac{86.6\ m/s}{9.8\ m/s^2}

t = 8.83 seconds

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8 0
3 years ago
Which graph set-up would enable students to calculate instantaneous acceleration from the slope on the graph? a) Place distance
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Instantaneous acceleration is defined as rate of change in velocity

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<u> d) Place time on the x-axis and velocity on the y-axis</u>

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3 years ago
hen approaching a curve, it is best to: A. Search for possible collision traps and escape paths B. Stay close to the centerline
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<h3>What is Clutch?</h3>

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A woman lifts her 150 N child up one meter and carries her for a distance of 50 meters to the
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7500J

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Given parameters:

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Unknown:

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 input the parameters:

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