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Physics
Page 49
Questions (147,603)
In which case would the kinetic energy of particles be increasing?
7 answers
asked by
A lost child
1,466 views
A ball is thrown vertically upwards at 3 m s-1 from 1m above ground level (I) write down the equation for the height of the ball
4 answers
asked by
Ed
2,849 views
A piece of metal has a volume of 20 cm^3 and a mass of 300g.Calculate the density of the metal in kg/m^3.i got 15.plz confirm my
5 answers
asked by
lucy
2,292 views
Five lines in the H atom spectrum have the following wavelengths in วบ: a). 1212.7, b). 4340.5, c).
4861.3 d). 6562.8 and e).
9 answers
asked by
Samantha
4,059 views
An 8N force stretches a spring to the 20cm mark on a metre rule.if the extension on the spring is 4cm,calculate the original
5 answers
asked by
GEOFFREY
1,358 views
A machine has a velocity ratio 5 and is 80% efficient. What effort would be needed to lift a load of 2000N with the aid of this
11 answers
asked by
Anonymous
3,360 views
If a ball is thrown vertically upward from the roof of 48 foot building with a velocity of 96 ft/sec, its height after t seconds
4 answers
asked by
Jaken
1,629 views
A cyclist is coasting up a hill. At t=0, the cyclist has a velocity of 14.27 m/s. If the acceleration of
the cyclist is constant
3 answers
asked by
Alice
1,303 views
The average weight of a empty soda can isv18.2 grams. 12 ounces of soda weighs 373.96 grams. How much does a soda can full of
5 answers
asked by
Sun
1,711 views
A blacksmith strikes a piece of metal with a hammer repeatedly. The metal slowly begins to glow as the temperature increases,
10 answers
asked by
Nic
5,168 views
Which would best model the motion of P waves?(1 point) plss help
A.attaching one end of rope to a chair and moving the other end
7 answers
asked by
y
402 views
Which example demonstrates kinetic energy?
A: a wave crashing on the shore B: stretched out rubber band C: car parked in the
9 answers
asked by
Bonnilu
1,941 views
A golfer on a level fairway hits a ball at an angle of 42* to the horizontal that travels 100 yd before striking the ground. He
5 answers
asked by
Jennifer PR
3,841 views
A person gets a running start toward a wall from 5 meters away. The person pushes the wall with a force of 500 newtons, but the
3 answers
asked by
who dat
323 views
How much net force is needed to make a 60 kg object accelerate at a rate of 2.0 m/s^2?
A. 62N B. 62 kg C. 120 N D. 120 kg Is the
7 answers
asked by
Callie
2,426 views
At 20.0 C, an alumium ring has an inner diameter of 5.0000 cm and a brass rod has a diameter of 5.0500 cm.
a. If only the ring is
3 answers
asked by
jean
1,660 views
Pulleys and Inclined Planes Quick Check
1 of 41 of 4 Items Question Use the picture to answer the question. An illustration shows
4 answers
asked by
who dat
760 views
Help Please??
If an ant walks for 10 minutes, how far will it travel? _______ meters *My answer is 180* If an ant traveled 22.5
7 answers
asked by
lib
2,051 views
In order to weigh a boy in the lab. A uniform plank of wood AB 3m long having a mass of 8kg is pivoted about a point 0.5m from B
9 answers
asked by
Zainab
1,050 views
Newton's First Law of Motion states that an object in motion tends to stay in motion unless it
A starts to decelerate. B runs out
1 answer
asked by
johannaEvans
110 views
What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?
6 answers
asked by
Javier
3,350 views
A wave interference where the wave amplitudes combine to yield a lesser amplitude than either of the waves is known as a
A)
4 answers
asked by
๐ญI need help
848 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
1,247 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
4,025 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
403 views
A motor vehicle is uniformly retarded from a velocity 54km/h and finally come to a complete halt after 6s. Determine:
The rate at
3 answers
asked by
zakwe
624 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
2,437 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
6,116 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
1,175 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
1,738 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
4,532 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
1,212 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
2,375 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
2,238 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
347 views
The bottom wave has a greater ____
4 answers
asked anonymously
589 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
2,443 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
7,073 views
A ball is thrown from the edge of a cliff with an initial velocity of 60ยทm/s upward. Answer the following questions using +
3 answers
asked by
jen
3,183 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
1,378 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 ๐
600 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
6,989 views
A stone is dropped from the edge of a roof, and hits the ground with a velocity of โ170 feet per second. Assume the
4 answers
asked by
Anonymous
5,815 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
3,408 views
A bowling ball rolls down a frictionless ramp resulting in a decrease in its potential energy. Which of the following statements
4 answers
asked by
Anonymous
1,040 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
1,605 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
422 views
A stone of 8 kg mass falls from the top of an 80 m-high building. Find the velocity of the stone when it reaches the ground
4 answers
asked by
tye
1,274 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
309 views
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