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denpristay [2]
3 years ago
10

Tomarrow last day of school

Physics
1 answer:
tatyana61 [14]3 years ago
6 0
No for most students want school to end but mostly they would en in june
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a 2-kg metal ball moving at a speed of 3 m/s strikes a 1-kg wooden ball that is at rest. after the collision, the speed of the m
tresset_1 [31]
M1u1 + m2u2 = m1v1 + m2v2
2 * 3 + 1 * 0 = 2 * 1 + 1 * v2
6 = 2 + v2
v2 = 6 - 2 = 4 m/s.

5 0
3 years ago
Batman is driving the Batmobile on the road in Gotham City. Which of the following may be true about this ride?
Basile [38]

Answer:

A

Explanation:

i dont really have an explanation but it just seems correct yk?

7 0
3 years ago
What is the direction of the electric field at the dot??
Georgia [21]
What is the magnitude of the electric field at the dot in the figure? (E=? V/m) What is the direction of the electric field at the dot in the figure? 1. to the left 2. to the right 3. upward 4. downward Thanks!
8 0
4 years ago
Planets move around the sun in elliptical orbits.<br> A. true<br> B. false
julia-pushkina [17]

Answer:All planets move in elliptical orbits, with the sun at one focus. This is one of Kepler's laws. The elliptical shape of the orbit is a result of the inverse square force of gravity. The eccentricity of the ellipse is greatly exaggerated here.

so it is true

Explanation:

4 0
3 years ago
Read 2 more answers
A football was kicked so that it traveled 65 yards in 3.0 total seconds. What was the speed
Olin [163]

Answer:

vx = 65 yd/3 sec  = 21.7 yd/sec  since horizontal speed is constant

vy = g t = (32 / 3) yd/sec^2 * 1.5 sec = 16 yd/sec   where 32/3 is the acceleration due to gravity in yds / sec^2  and 1.5 is the time to travel each way in the vertical direction

V = (vx^2 + vy^2)^1/2 = (21.7^2 + 16^2)^1/2 = 27 yd/sec

tan theta = vy/vx = 16 / 21.7 = .737    theta = 36.4 deg

You can check using the range formula:

R = v^2 sin (2 theta) / g = 27^2 * .955 / (32 / 3) = 65.3 yds  

The difference from 65 yds may be rounding error.

4 0
4 years ago
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