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Physics
Page 70
Questions (147,551)
Calculate the kinetic energy, in Joules, possessed in each of the following scenarios and match with the correct answer. K.E. =
2 answers
asked by
fe
103 views
Gravitational Force, Attraction, and Mass Quick Check
these are correct for Connections Academy 10th grade Physical Science as of
5 answers
asked by
mmyoui
728 views
For the following graphs of position versus time (in one dimension), please determine the acceleration. Need someone to check
4 answers
asked by
Jeremy
122 views
A vehicle with mass of 1200kg accelerates from rest upward with an incline of 1:25 and reaches a speed of 72km/h after 2
2 answers
asked by
Boikokobetso Koloko
109 views
What is the density of a mixture of 1.5m3 of water and 0.5m3 of alcohol of density 800kg/m3? (Density of water = 1000kgm^-3 )
2 answers
asked by
chukwudi Christian
126 views
A beam of ions passes undeflected through two parallel horizontal plates 1.5cm apart having a p.d of 3000v when a perpendicular
3 answers
asked by
Fatima
338 views
a ball is dropped from the top of the tower 80 ft.high at the same instant that a second ball is thrown upward from the ground
2 answers
asked by
jomari
1,001 views
A toy rocket is launched into the air at an initial velocity of 32 ft/sec, as shown on the graph below. The function
3 answers
asked by
Rebekah L.
2,099 views
A baby carriage is rolling down a hill at 18 m/s. If the carriage has 1600 J of kinetic energy, what is the mass of the
2 answers
asked by
mark
1,044 views
How is the flow rate of gas controlled as it leaves a storage container?
4 answers
asked by
Tiana
776 views
A ray of green light has a wavelength of 5.34 x 10-7 m. What is the frequency? (Hint: remember the speed of light!)
3 answers
asked by
Lilly
1,475 views
A 1.47-newton baseball is dropped from a height of 10.0 meters and falls through the air to the ground. The kinetic energy of
3 answers
asked by
Katie
4,284 views
Calculate the electric field intensity 30cm from a point of charge 20C
3 answers
asked by
Anonymous
822 views
The specific heat of granite is 0.80 kJ/kg·°C. If 2.0 MJ of heat are added to a 100−kg granite statue of James Prescott
4 answers
asked by
Anonymous
1,110 views
An object fired horizontally with a velocity of 30m/s from a top of a taal tower 250m high.The object lands on top of a building
4 answers
asked by
KESSE
877 views
Light photons with energy 7.3 eV strike a metal surface and eject electrons with energy 2.7 eV. What is the Work Function of the
3 answers
asked by
Anonymous
1,186 views
Hoping Henry can help on previous prob.
A ball is thrown upwards from a roof top, 80ft above the ground. It will reach a maximum
4 answers
asked by
Mike
820 views
A solid weighs 4.8g in air, 2.8g in water and 3.2g in kerosene. Calculate the ratio of the density of the solid to that of
4 answers
asked by
Patience
1,510 views
the time of flight of an object projected with speed 20m/s at an angle 30¡ã with the horizontal is
3 answers
asked by
khushi
2,074 views
A coiled spring in a waist trimming excercise requires a force of 54N to compress it by 0.20.find the force constant of the
3 answers
asked by
Zaherah
2,399 views
Block B has a mass of 2.20kg and is moving to the left at a speed of 2.30m/s. Block A has a mass of 2.70kg and is moving to the
3 answers
asked by
Emily
702 views
A 20 kg mass slides down an inclined plane which is at an angle of 60 degrees to the horizontal
1. Horizontal component of weight
3 answers
asked by
Alyssa
801 views
Hello can someone please help me with this physics question and show the work so I can understand?
A box at the top of a rough
3 answers
asked by
Becky
2,566 views
A lead bullet of mass 50 grams is fired with a velocity of 200m/s into a lead block of mass 950 grams. Given that the lead block
4 answers
asked by
Williams
2,232 views
The potential at the surface of a sphere (radius R) is given by
V_0 = k cos 3theta where k is constant. Find the potential inside
3 answers
asked by
Kim
1,318 views
When a 3600 lb automobile runs out of gas, it is pushed by its unhappy driver and a friend a quarter of a mile (0.250 mi). To
4 answers
asked by
Kayla
814 views
Multi-step prob During a trampoline competition, a trampolinist leaves the mat when her center of gravity is 6 feet above the
3 answers
asked by
ⒽⒺⓁⓅ
882 views
Calculate d energy of d 3rd level of an atom if d ground state energy is -24.8ev
3 answers
asked by
Mei
759 views
A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its
4 answers
asked by
Danny
690 views
Suppose you would like to cross a 209-foot wide river in a boat. Assume that the boat can travel 32 mph relative to the water
4 answers
asked by
Adam
874 views
How long would it take a 1.00 x 10^3 W heating element to melt 2.00kg of ice at -20 deg C, assuming all energy is absorbed by
3 answers
asked by
R
1,976 views
tammy leaves the office drives 50 km due north, then turns onto a second highway and continues in a direction of 32 degrees
3 answers
asked by
Krystal
870 views
A baseball player uses a bat with mass mbat to hit a ball with mass mball. Right before he hits the ball, the bat's initial
3 answers
asked by
Ray
1,096 views
A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior of the bulb a spot with
3 answers
asked by
sand
764 views
The two-mile linear accelerator at Stanford University in California "appears" to be less than a meter long to the electrons
3 answers
asked by
Jason
914 views
Car A has a mass of 1000kg and a speed of 60km/h, and car b has a mass of 2000kg and a speed of 30km/h. what is the ratio of
4 answers
asked by
sam c
2,457 views
A person pushes a 11.0 kg lawn mower at constant speed with a force of 76.0 N directed along the handle, which is at an angle of
2 answers
asked by
Leah
903 views
Mars orbits the Sun at a mean distance of 228 million km, in a period of 687 days. The Earth orbits at a mean distance of 149.6
5 answers
asked by
Eduardo
1,803 views
A mass of 0.38 kg is attached to a spring and is set into vibration with a period of 0.22 s. What is the spring constant of the
3 answers
asked by
Ellen
1,425 views
A HIKER SHOUTS TOWARD A VERTICAL CLIFF 685 M AWAY. THE ECHO IS HEARD 4.00 SECONDS LATER.
WHAT IS THE SPEED OF SOUND OF THE
3 answers
asked by
ROWDY ANDRESS
1,214 views
What would be the weight of 22.0kg dog at the equator on Saturn's surface?
(Saturn's mass equals 5.69 X 10^26kg, Saturn's
5 answers
asked by
mercedes
1,272 views
Cars A and B, each moving at 70 km/h, are approaching one another on a straight highway. After how many seconds will they meet
3 answers
asked by
Ryan Jude
1,223 views
On December 26, 2004, a great earthquake occurred off the coast of Sumatra and triggered immense waves that killed hundreds of
3 answers
asked by
Anonymous
1,423 views
A 125-newton box rests on a plank 3.00 meters long, one end of which is 1.00 meters higher than the other end. Find the
3 answers
asked by
john
1,110 views
a 14.7g ice cube is placed into 324g og water. calvulate the temperature change in the water upon complete melting of the ice.
4 answers
asked by
janny
1,504 views
light travels in a straight line, why is this important for the technique of ray tracing?
4 answers
asked by
Jose
1,252 views
A balloon originally has a volume of 4.39L
at 44 C and a pressure of 729 torr. What temperature must the balloon be cooled to to
4 answers
asked by
Anonymous
3,206 views
Kyle wishes to fly to a point 450 km due south in 3 hours. A wind is blowing from the west at 50 km/hr. Compute the proper
3 answers
asked by
Jordan
1,283 views
A 17mlong vine hangs vertically from a tree on one side of a 10 m wide gorge, as shown in the figure. Tarzan runs up, hoping to
3 answers
asked by
James
2,389 views
A force of 50.0N is used to stretch an elastic so that it had 40.0 J of elastic potential energy. Through what distance was the
4 answers
asked by
chyanne
1,566 views
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