John Kim

Numerade Educator

Researcher

Biography

B.S. in Aeronautical and Astronautical Engineering at The Ohio State University with Undergraduate Honors Research Distinction

M.S. in Aerospace Engineering at the University of Illinois at Urbana-Champaign (in-progress)

Tutor Experience of 3+ years

Education

John has not yet added their education credentials.

Educator Statistics

Numerade tutor for 4 years

14 Students Helped

Topics Covered

Master the Fundamentals of Physics: Learn Physics Basics

John's Textbook Answer Videos

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John's Quick Ask Videos

What is the mean of the binomial distribution that consists of
10 trials where the probability of a success is 0.6?
a
5
b
0.49
c
6
d
0.24

Physics 101 Mechanics

Which of the following type(s) of energy is/are present when
there is no visible motion?
a) Kinetic energy
b) Potential energy
c) Thermal energy

Physics 101 Mechanics

If the net work done on an object is negative, then the objects
kinetic energy
A) decreases
B) remains the same
C) is zero
D) increases
E) cannot be determined

Physics 101 Mechanics

A 75 kg person wants to fly (hover) on a 2 kg skateboard of area
0.6 m by 0.25 m. How large an additional pressure (beyond the
environmental pressure) under the board is needed?

Calculus 1 / AB

A bottle of water with temperature 70 F is placed into a refrigerator with an internal temperature of 34 F. After 20 minutes, the temperature of the water has decreased to 52 F.

a. Give the cooling constant k(rounded to 6 decimal places).
k=

b. What is the temperature of the water after 40 minutes?
Temperature=

c. After what amount of time will the temperature of the water reach 38F? (round to nearest minute)
Temperature=

Calculus 1 / AB

Consider a room in the shape of a cube, 4 meters on each side. A bug at point $P$ wants to walk to point $Q$ at the opposite corner, as shown in the figure. Use calculus to determine the shortest path. Can you solve the problem without calculus?

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