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Ad libitum [116K]
3 years ago
9

A toy car is moving horizontally and started its motion from a position of X1 = 2 cm, then after 3 seconds it reached at a posit

ion of X2 = 6cm in the same direction, finally it returned back to X3= 5 cm after one more second.
The total distance traveled by this car is
Physics
1 answer:
ahrayia [7]3 years ago
8 0

Since distance is a scalar and not a vector, the total distance traveled is the sum of all the distances covered throughout the journey.

In Physics, we have two categories of quantities;

  • Vectors
  • Scalars

The difference between vectors and scalars is that vectors has direction but scalars do not have direction. Both quantities posses magnitude.

The total distance covered can be obtained algebraically since distance is a scalar.

Hence, total distance covered = 2 cm + 6cm + 5 cm = 13 cm

Learn more: brainly.com/question/14093917

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KonstantinChe [14]

Answer:

1. S-S Repulsion           N-S Attraction

2. S-N Attraction          N-N Repulsion

Explanation:

1. S-S Repulsion           N-S Attraction

2. S-N Attraction          N-N Repulsion

3 0
3 years ago
In a lab experiment, two identical gliders on an air track are held together by a piece of string, compressing a spring between
ddd [48]

Answer:

Part a)

v_2 = -0.300

Part b)

Here final kinetic energy is more than the initial kinetic energy

This increase in kinetic energy is due to spring connected between them as the spring energy is converted into kinetic energy of two blocks

Explanation:

Part a)

As we know that there is no external force on the system of two gliders

So here we can use momentum conservation for two gliders

So we will have

m_1 v_1 + m_2 v_2 = (m_1 + m_2)v_i

m_1 = m_2

1.300 + v_2 = 2(0.500)

v_2 = -0.300

Part b)

now we will have

initial kinetic energy of both gliders is given as

K_i = \frac{1}{2}(m + m)(0.500)^2

K_i = 0.25m

Final kinetic energy of two gliders

K_f = \frac{1}{2}m(0.300)^2 + \frac{1}{2}m(1.300)^2

K_f = 0.89 m

so here final kinetic energy is more than the initial kinetic energy

This increase in kinetic energy is due to spring connected between them as the spring energy is converted into kinetic energy of two blocks

8 0
3 years ago
After a check up, a person now has a far point of 100 cm, but with good near point vision. He needs to wear a new pair of correc
lakkis [162]

Answer:

so his far point according to this pair of glass is 200 cm

Explanation:

power of old pair of corrective glasses is given as

P = -0.5 dioptre

now we have

f = \frac{1}{P}

f = -2 m

f = -200 cm

now we know that for normal vision the maximum distance of vision is for infinite distance

so by lens formula we have

\frac{1}{d_i} + \frac{1}{d_o} = \frac{1}{f}

\frac{1}{d_i} + 0 = \frac{1}{200}

d_i = 200 cm

so his far point according to this pair of glass is 200 cm

7 0
3 years ago
Describe what Ecstasy looks like
stepan [7]
Ecstasy pills look a lot like candy. They are small, brightly colored, and stamped with funny images or clever symbols. They look like harmless little bits of nothingness people might swallow by the handful after a night of trick-or-treating. In reality, each ecstasy pill can do a great deal of damage. Hope this helped!
6 0
3 years ago
Radiation, conduction, and convection are methods of energy transfer. Of these methods, radiation is the only one in which energ
8_murik_8 [283]

C. Space.

Radiation is a process by which heat energy is transferred through space.

4 0
3 years ago
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