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Physics
Page 48
Questions (146,897)
What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?
6 answers
asked by
Javier
3,341 views
At most, how many 4d electrons can an atom have? Of these what is the maximum number that
can have ms= -1/2? A 5f electron has
4 answers
asked by
Kim
3,162 views
a rock is thrown straight up in the air from an initial height of ho, in metres, with the initial velocity vo, in metres per
4 answers
asked by
Kp
1,245 views
An occupant of a car has a chance of surviving a crash if the deceleration during the crash is not more than 30 g. Calculate the
6 answers
asked by
Janise
4,014 views
The half- life of a positron is very short. it reacts with an electron, and the masses of both are converted to two gamma-ray
7 answers
asked by
Anonymous
6,765 views
What is the Law of conservation of matter?
7 answers
asked by
pat
2,368 views
Jeriah places two metal cubes in contact with each other. Energy and heat flow from Cube A to Cube B. What conclusion can be
3 answers
asked by
6th g=rade
271 views
What is the best description of thermal energy
thermal energy is the energy stored in the chemical bonds of an object or
4 answers
asked by
I hate science
396 views
A crane lifts a 100-kg concrete block to a vertical height of 25 m. Determine the work done by the crane.
5 answers
asked by
rayyan
2,434 views
a runner jogs 12 km north then turns and runs 16 km east in three hours.what is his displacement
17 answers
asked by
bisrst
6,114 views
(1) A solid weight 0.04 Newton in air and 0.024 newton when fully immersed in liquid of density 300 kilogram per metre cube.What
4 answers
asked by
Daniel
1,165 views
a body of mass 5kg is thrown to a height of 100m.what is its potential energy at the maximum height.?
4 answers
asked by
steve
1,732 views
You pull a door open. If the force the door exerts on you is equal to the force you exert on the door, why don't you move?
7 answers
asked by
Jennifer
4,525 views
An object's weight is dependent upon its location in the universe. Why is this true?
A. This is true because weight is the
4 answers
asked by
Julie
1,208 views
Have you ever been on an airplane and heard the pilot say that the plane would be a little late because it would be flying into
4 answers
asked by
Megan
2,367 views
A relative density bottle has a mass of 40g when empty, 90g when filled with water and 80g when filled with oil. Calculate the
10 answers
asked by
isaac
2,230 views
In the production process of a glass sphere, hot glass is blown such that the radius,
r cm, increases over time (t seconds) in
4 answers
asked by
david
345 views
The bottom wave has a greater ____
4 answers
asked anonymously
587 views
1. Which of the following statements about mechanical waves is true?
Mechanical waves require a medium to travel through.
4 answers
asked by
Tristan Seymour
2,441 views
A 0.005kg bullet travelling horizontally with a speed of 1000m/s enters an 18kg door, embedding itself 10cm from the side
5 answers
asked by
Anonymous
7,066 views
A ball is thrown from the edge of a cliff with an initial velocity of 60·m/s upward. Answer the following questions using +
3 answers
asked by
jen
3,178 views
Car A, with mass of 1735kg, was traveling north at 45.5km/h and car B, with a mass of 2540kg, was traveling west at 37.7km/h
4 answers
asked by
Shaila
1,376 views
Suppose you were stranded on a desert island with only a convex lens and a mirror. Describe how you could use each of these
3 answers
asked by
Desert island 🏝
594 views
A buoy oscillates in simple harmonic motion as waves go by. The buoy moves a total of 3.5 feet from its low point to its high
5 answers
asked by
Emily
6,985 views
Describe the action and reaction force pairs involved when an object falls toward Earth. Ignore the effects of the air
4 answers
asked by
Anonymous
3,403 views
Which situation describes a correlation that is not a casual relationship?
1 The rroster crows, and the sun rises. 2 The more
4 answers
asked by
Anonymous
1,601 views
Which of the following statements correctly explains the relationship between FM and AM radio waves?
A. FM radio waves carry less
1 answer
asked by
Kira
214 views
What is the effect of using an inclined plane?
A.) The object can be lifted with less force. B.) The object can be lifted while
4 answers
asked by
goodog
419 views
Two identical point charges
(q �= �7.20 x 10^�6 C) are fixed at diagonally opposite corners of a square with sides of length
7 answers
asked by
Frustrated
3,540 views
A car has a crumple zone that is 0.80 m (80 cm) long. In this car, the distance from the dummy to the steering wheel is 0.50 m.
7 answers
asked by
mzvd /ak
7,768 views
a gardener holds a hose 0.75 m above the ground such that the water shoots out horizontally and hits the ground at a point 6.0
1 answer
asked by
hyuh
308 views
1.The sound from a bolt of lighting travelled 4.08km in 12.0s. whats was the spped of the sound in metres per second?
0.340m/s
5 answers
asked by
Emmanuel
2,998 views
A particle is moving with SHM of period 16s and amplitude 10m. Find the speed of the particle when it is 6.0m from its
4 answers
asked by
Claire
965 views
find the density of the two rocks. The jagged rock has a mass of 56 grams. this rock therefore has a density of ?
4 answers
asked by
Anonymous
1,452 views
How much heat in kcal must be added to 0.32 kg of water at room temperature (20°C) to raise its temperature to 36°C?
5 answers
asked by
Anonymous
3,692 views
Theories About the Universe Quick Check answers
4 answers
asked by
Someone
1,441 views
A series RL circuit has two resistors and two inductors. The resistors dissipate 7 W and 12 W. The inductive powers are 15 VARs
3 answers
asked by
Zyro The monster
460 views
a cyclist is travelling with an average velocity of 5.9m/s [w]. what will be his displacement in 1.5 h?
please show steps to
4 answers
asked by
ash
1,049 views
Identify the sources of energy used to power a cell phone and other energies that it can transform into.
I put Electrical Energy
5 answers
asked by
Rezu
963 views
A uniform rod AB is 2m Long. The rod, which exerts a downward force of 60N at its center, is placed on a knife edge support
4 answers
asked by
Isaac
919 views
A ball is thrown into the air with an upword velocity of 36 ft/s. Its hight H in feet after t seconds is given by the function
3 answers
asked by
please help
2,163 views
If you divide force (kg* m/s2) by acceleration (m/s2), what units do you get?
kg*m2/s4 kg 1/kg m/s
4 answers
asked by
Gianna
2,071 views
A 600- newton diver dives off a 10 meter platform. If it takes 2 seconds to hit the water, what is the diver's power?
4 answers
asked by
Porky
950 views
A spring with a force constant of 111 Nm is attached to the ceiling. When an unknown mass is attached it pulls the spring down
4 answers
asked by
anonymous
1,386 views
determine the overall efficiency of a motor that deliveries 2 horsepower to a load if it draws 7.5 amperes when connected to a
4 answers
asked by
Carlos Velazquez
1,599 views
A temperature gauge reads 95° F. Which of the following is the correct conversion to degrees Celsius? (Note: ° C = 5/ g[° F
4 answers
asked by
Roberta
4,902 views
1.Two stones are dropped from the top of a tower at an interval of 3 seconds.the relative velocity of the first Stone with
4 answers
asked by
Nasrin
811 views
answers for the Efficiency of Machines Quick Check
6 answers
asked by
hey
2,357 views
The total resistance of a series circuit is 500 ohm. What percentage of the total voltage appears across a 22 ohm resistor in
6 answers
asked by
Treavonne
3,483 views
A boat moves with a velocity of 15m/s north in a river, which flows with a velocity of 8m/ s west. Calculate the boat resistant
5 answers
asked by
Mathews
4,368 views
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