The basic unit for mass is thea. gram.
c. cubic meter.
b. metric ton.
d. meter.
Answers
Answer: The correct answer is option a.
Explanation:
Basic unit to measure mass is defined as the unit which is commonly used to measure the mass of an object.
From the given options,
Option a: Grams is a unit which is used to measure mass and it is the commonly used unit.
Option b: Cubic meter is the unit which is used to measure the volume of an object.
Option c: Metric ton is a unit which is used to measure the mass of an object but this unit is not commonly used. hence, this is not basic unit to measure mass.
Option d: Meter is the unit which is used to measure length.
From the above information, the correct answer is option a.
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Answers
Hope this helps and have a good night! :3
A.) weight lifting (exercise)
B.) Soccer (sport)
C.) jump rope (exercise)
D.) Running a race (exercise) but questionable
i would say B.) soccer
hehe
Answers
Mass (m) = 1200 kg
Distance (s) = 100 m
Time (t) = 10 seconds
Now,
=
= 10 m/s
Note that this one is the final velocity.
We also know that,
initial velocity (u) = 0 m/s .......because the car starts from rest.
Now,
=
=
= 1 m/s²
Now,
Force (F) = mass (m) * acceleration (a)
= 1200 kg * 1 m/s²
= 1200 kg.m/s²
= 1200 N
Now,
Work Done (W) = Force (F) * displacement (s) ....note that displacement is same as distance.
= 1200 N * 100 m
= 120000 N.m
= 120000 J
Now,
Power (P) =
=
= 12000 J/s
= 12000 watt
SO,
A) The acceleration of the car is 1 m/s².
B) 1200 Newton (N) force must have acted on the car.
C) The velocity of the car after 10 seconds is 10 m/s.
D) 120000 Joule (J) work was done on the car.
E) The engine produced a minimum power of 12000 watt.
a. Pa/cm3
c. g/s2
b. N/m2
d. g/cm3
Answers
The only choice listed with those physical dimensions is 'd' .
Answers
sectors are the amount of resources
Answers
B. 0.4275 m
C. 0.6125 m
D. 0.8000 m
Answers
Answer
C. 0.6125 m
Explanation
The magnification of an image produced by curved mirrors can be given in two ways;
Magnification, M = (Height of the image) / (height if the object) and
M = (image distance,V) / (Object distance, U).
Using the first formula,
M = 0.35/0.4
= 0.875
Now from the second formula,
M = V/U
0.875 = V/0.7
V = 0.875 × 0.7
= 0.6125 m
Answer : v = 0.1625 m.
Explanation :
It is given that,
Height of an object,
Object distance,
Height of an image,
We have to find the image distance (v).
We know that the magnification of mirror is the ratio of height of image to the height of object.
i.e. ..............(1)
Also, magnification is the ratio of image distance to that of object distance.
i.e ............(2)
So, from equation (1) and (2)
So, image is located at a distance of 0.6125 m.