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bezimeni [28]
3 years ago
5

An example of an object in projectile motion is

Physics
2 answers:
liubo4ka [24]3 years ago
6 0

A). The frog is the example.

Projectile motion is anything with constant horizontal velocity and accelerated vertical velocity. That's what the frog has, and he doesn't even know it.

Usimov [2.4K]3 years ago
4 0

Answer: a. a leaping frog

Explanation: In a projectile motion the object must have a certain path or trajectory with respect to a certain angle. For the leaping frog its velocity can be resolve into components having the final velocity at the highest point to be zero.

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Self-registering thermometers are used for temperature or depth profile. It registers the maximum and minimum temperature of the substance occurring in the interval of time between two consecutive settings of the instrument.

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A man with mass 82 kg runs at a speed of 2.8 ms How much kinetic energy does he have?? A.114.8 B.221.8 C.321.4 D.642.9
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Use the formula for kinetic energy.
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3 years ago
Three point charges are positioned on the x axis. If the charges and corresponding positions are +32 µC at x = 0, +20 µC at x =
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Answer:

Fnet = 12 N

Explanation:

Force on a point charge due to another point charge = kq1q2 / d^2

Force on +32uC = due to + 20uC + due to -60uC

where uC = 1 x 10^-6 C and k = 9 x 10^9 N m^2 / C^2

Net Force =

= \frac{1}{4\pi \epsilon _0} [\frac{32 \times 10^-^6 \times60\times10^-^6}{(60/100)^2}-\frac{32 \times 10^-^6 \times20\times10^-^6}{ (40/100)^2}  ]

F_{net}=9 \times10^9\times 10^-^1^2[\frac{32\times60\times10^4}{60\times60} -\frac{32\times20\times10^4}{40\times40} ]

=90[32(\frac{80-60}{60\times 80} )]\\\\=90\times32\times0.004167\\\\=12N

Fnet = 12 N

8 0
4 years ago
A 1,600 kg car is traveling with a speed of 20 m/s. Find the net force that is required to bring the car to a halt in a distance
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