1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Phoenix [80]
3 years ago
14

You are skateboarding in your friend's driveway. You hit a rock and your

Physics
1 answer:
nekit [7.7K]3 years ago
3 0

Answer:

the rock hit the board you go flying because you board stops but you have energy still going so there for you go flying

Explanation:

You might be interested in
PLEASE HELP WITH THIS QUESTION WILL GIVE BRAINLIST TO BEST ANSWER
lys-0071 [83]
The net force is 12 N to the left.
4 0
2 years ago
Read 2 more answers
What are non-clastic?
igor_vitrenko [27]
Non clastic sedimentary rocks from chemical reactions, chiefly in the ocean. Nonclastic and clastic sedimentary rocks are the only members of the rock family that contain fossils as well as indicators of the climate that was present when the rock was formed.
8 0
3 years ago
A 10 kg rock that has been dropped from a 60 meter high cliff experiences an average force of air resistance of 30 N. Calculate
lesya692 [45]

Answer:

4086 J

Explanation:

The potential energy is transformed to kinetic energy less the frictional energy. Potential energy= mgh where m represent mass, g is acceleration due to gravity and h is the height of cliff

Since we have force of air resistance, work done due to air resistance will be product of force and distance

mgh-Fh= 0.5mv^{2}= KE

Substituting 10 Kg for m, 9.81 for g and 60 m for F then the kinetic energy at the bottom will be

KE= 10*9.81*60- (30*60)=4086 J

8 0
3 years ago
What must happen to an atom of magnesium in order to become a magnesium ion Mg+2?
igomit [66]

Answer:

Answer is: c. It must lose two electrons and become an ion.

Magnesium (Mg) is metal from 2. group of Periodic table of elements and has low ionisation energy and electronegativity, which means it easily lose valence electons (two valence electrons).

Magnesium has atomic number 12, which means it has 12 protons and 12 electrons. It lost two electrons to form magnesium cation (Mg²⁺) with stable electron configuration like closest noble gas neon (Ne) with 10 electrons.

Electron configuration of magnesium ion: ₁₂Mg²⁺ 1s² 2s² 2p⁶.

Explanation:

4 0
3 years ago
Read 2 more answers
An astronaut is standing on the surface of a planetary satellite that has a radius of 1.74 × 10^6 m and a mass of 7.35 × 10^22 k
ExtremeBDS [4]

Answer:

2.87 km/s

Explanation:

radius of planet, R = 1.74 x 10^6 m

Mass of planet, M = 7.35 x 10^22 kg

height, h = 2.55 x 10^6 m

G = 6.67 x 106-11 Nm^2/kg^2

Use teh formula for acceleration due to gravity

g=\frac{GM}{R^{2}}

g=\frac{6.67\times 10^{-11}\times 7.35\times 10^{22}}{1.74^{2}\times 10^{12}}

g = 1.62 m/s^2

initial velocity, u = ?, h = 2.55 x 10^6 m , final velocity, v = 0

Use third equation of motion

v^{2}=u^{2}-2gh

0 = v² - 2 x 1.62 x 2.55 x 10^6

v² = 8262000

v = 2874.37 m/s

v = 2.87 km/s

Thus, the initial speed should be 2.87 km/s.

6 0
3 years ago
Other questions:
  • Which element does not nomally form chemical bonds?
    9·1 answer
  • PLSSS HELP 10 MORE MINS LEFT UNTIL THIS IS DUE The diagram shows you the direction heat energy is moving. Based on the diagram,
    5·1 answer
  • Look at the picture of a person about to get the soccer ball. Then drag and drop the pins to correctly complete newtons second l
    14·1 answer
  • Ocean water conducts electrical current because it contains _____.
    13·2 answers
  • suppose a scientist found a new matal-like substance in the desert. He determined its mass to be 20 grams. The volume was determ
    12·1 answer
  • A 0.050 kg toy truck moving right at 0.20 m/s collided with a toy car weighing 0.015 kg initially at rest, on a frictionless tra
    14·2 answers
  • Kilos pa iskapi halimbawa​
    14·2 answers
  • If you shine a light of frequency 375hz on a double slit setup , and you measure the slit separation to be 950 nm and the screen
    15·1 answer
  • How long will it take for a body
    8·1 answer
  • The speed of light is a constant and approximately equal to 300,000,000 meters per second.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!