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A skateboarder rolls horizontally off the top of a staircase and lands at the bottom. The staircase has a horizontal length of 12.0\,\text m12.0m12, point, 0, start text, m, end text with a vertical drop of 2.00\,\text m2.00m2, point, 00, start text, m, end text. We can ignore air resistance.
The management of ‘Fun Land’ studied the waiting times for Dogging Car by children in waiting area before sit and drive a car. The following data with waiting times in minutes were collected over a one-month period. Consider the following data in Table 2.1:

Table 2.1
28 17 30 25 22
33 38 23 26 10
14 15 24 22 34
12 33 32 31 26
26 32 35 17 12
34 32 22 19 14
15 27 15 25 31
36 28 35 28 22
26 10 29 19 15
9 20 34 27 20

a) Develop a frequency distribution using classes of 9–14, 15–20, 21–26, 27–32, and 33–38. [1]
b) Develop a relative frequency distribution and a percent frequency distribution. [2]
c) Cumulative frequency and a cumulative relative frequency. [2]
Solve each problem and provide the complete solution.
note: topic is all about Gravitational force

What is the Ug if a 0.500-kg mass hung from a cuckoo clock is raised 1.00 m?
Ug = m g h
Solve each problem and provide the complete solution.
note: topic is all about Gravitational force

What is the gravitational potential energy of a girl who has a mass of 50 kg and is standing on the edge of a diving board that is 5m above the water?
Solve each problem and provide the complete solution.
note: topic is all about Gravitational force

We are seated on the surface of the earth. What is the gravitational strength of the earth on you if the mass of the earth is 5.9x1024kg and a radius of 6.4x106 m?
Solve each problem and provide the complete solution.
note: topic is all about Gravitational force

Calculate the gravitational field strength on the surface of Mars. Mars has a radius of 3.43 x 106m and a mass of 6.37x1023kg.
Solve each problem and provide the complete solution.
note: topic is all about Gravitational force

The force of attraction between Eva and Mika is 2x102 N. Mika has a mass of 80kg. What is the
mass of Eva if they are 200m apart?
Solve each problem and provide the complete solution.
note: topic is all about Gravitational force

Two objects, A and B, have weights of 5kg and 6kg respectively. If they are 2m away from each other, what is the force of attraction between them?
According to the inventory theoretic approach to the transaction demand for money, how would you expect the amount of money an individual demanded for transactions purposes to be affected by:
a. An increase in interest rate paid on bonds
b. An increase in the brokerage fee for bond market transactions.
c. An increase in income.
Nitrogen dioxide (NO2) has a bond angle of 132°. What does it imply regarding its electronic and molecular geometry? Explain the deviation of the angle measurement from the ideal.
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