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Georgia [21]
3 years ago
11

If the merry-go-round makes one revolution in 10 seconds, what is the child’s linear speed?

Physics
1 answer:
Anton [14]3 years ago
5 0
The child's linear speed is
              
    <em> (pi / 5) x (the child's distance from the center of the ride, in feet)</em>

                                                                                        feet per second.
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Scott is making a chart to show the difference between chemical reactions and nuclear reactions. Which part of his chart is inco
Nimfa-mama [501]

Answer:

The incorrect part of the chart is;

Line 1

Chemical {} Reaction   {}                                   Nuclear Reaction

Line 1 Happens in the nucleus of atoms   {} Happens between atoms

Explanation:

The given chart can be presented as follows;

  Chemical Reaction {}                               Nuclear Reaction

1. Happens in the nucleus of atoms    {}   Happens Between atoms

2. Forms new compounds {}                     Forms new atoms

3. Involves small amounts of energy {}    Involves large amounts of energy

From the above chart, line 1 is incorrect because a chemical reaction happens between the valence electrons of the reacting atoms while a nuclear reaction is the reaction that takes place between the nucleus of two or more atoms or the nucleus of an atom and a subatomic particle to produce one or more than new nuclide of a new atom with a change in the mass of the nucleus being represented by the large amount of energy in the reaction. Therefore, a nuclear reaction takes place in the nucleus of an atom, forms new atoms and involves large amounts of energy

The correct arrangement is presented as follows;

  Chemical Reaction {}                              Nuclear Reaction

1. Happens Between atoms    {}                Happens in the nucleus of atoms

6 0
3 years ago
Un tractor halando un carretón cargado con caña de azucar, viaja por el camino recto de una finca a una velocidad de 20 km/h. Si
Sidana [21]

Translation

A tractor pulling a cart loaded with sugar cane travels down the straight path of a farm at a speed of 20 km / h. If at 3:00 p.m.you pass the Finca Las Margaritas, what time will you arrive at the Las Ilusiones farm, located on the same road, if the distance between the two farms is 60 km

Answer:

6.00 pm

Explanation:

Speed is given by dividing distance by time and expressed as s=d/t. Making time the subject of the formula then t=d/s where s is the speed, d is distance covered and t is the time taken. Substituting 20 km/h for s and 60 km for d then t=60/20=3 hours

Adding 3 hours to 3 pm we get 6pm

Therefore, the time to reach the destination if the speed is constantly maintained is 6.00 pm

4 0
3 years ago
A beaker of vegetable oil contains a beam of light that is aimed at a surface at an angle of 34 degrees as shown. If the index o
Over [174]

Answer:

Angle of reflection of light is 34 degree

Explanation:

As per law of reflection of light we know that

angle of incidence of light = angle of reflection of light

So here we know that

angle of incidence on the surface of oil is given as

\theta_i = 34 degree

so we know that

\theta_i = \theta_r

so here we can say that reflection angle of light will be same as angle of incidence

\theta_r = 34 degree

4 0
3 years ago
Plz, Help I just need this question to be answered so I can be done with this worksheet.
Neko [114]

Answer:

2 if I'm not wrong.

I hope it will be useful.

3 0
3 years ago
What is not a factor affecting impact in a collision; vehicle weight, speed, kinetic energy, centrifugal force
navik [9.2K]
I believe the answer is vehicle weight
6 0
3 years ago
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