Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Page 37
Questions (147,490)
A vehicle is travelling at 25.0 m/s. It brakes provide an acceleration of -3.75 m/s^2[forward]. What is the driver's maximum
5 answers
asked by
Dee
1,657 views
A 69 kg person is standing on a bathroom scale (calibrated in Newtons) in the middle of an elevator. Determine the reading on
5 answers
asked by
bhvhtr
780 views
A body of mass 500g suspended from the end of a spiral spring which obeys Hooke's law, produced an extension of 10cm. If the
4 answers
asked by
Fynface
1,543 views
A 0.2-kg billiard ball that is moving at 9.8 m/s strikes the bumper of a pool table and bounces straight back at 2.9 m/s. The
4 answers
asked by
help
1,548 views
A soccer ball of mass 550g is at rest on the ground. The soccer ball is kicked with a force of 108N. The player shoes is in
7 answers
asked by
Sam
1,489 views
To leave Nicholson, you exit via the door to the quad. The door is 40 inches wide and has a mass of 200 kg.
You push the door
4 answers
asked by
Kim
1,930 views
A 15-V battery is hooked up to three resistors in series. The voltage drop across the first resistor is 3V and the voltage drop
5 answers
asked by
Grace
1,986 views
What happens to a copper wire when it is moved across a magnetic field?
Electric current is induced, but not voltage. It is
4 answers
asked by
lyssa
1,776 views
What is the relationship between area and volume expansivity ?
That is what is the formula connecting area and volume
7 answers
asked by
Queen
2,479 views
A boy pulls a wagon with a force of 20N on a handle of .50 meters long. The end he holds is .25 meters higher than the end
5 answers
asked by
Kim
1,750 views
A weather ballon is designed to expand to a maximum radius of 20 m at its working altitude, where the air pressure is 0.030 atm
5 answers
asked by
Y0gi
3,207 views
For Hooke's Law, the one about springs and mass, is the mass M a unit of g or kgs?
5 answers
asked by
TP
1,754 views
A faulty celcius thermometer read 0.7 degree celcius at the melting point of pure ice and 99.5 at the boiling point of water at
7 answers
asked by
Shredder
3,754 views
a body of mass 25kg moving at 3m/s on a rough horizontal floor is brought to rest after sliding through a distance of 2.5m on
11 answers
asked by
emmanuel
4,239 views
A 12V battery with internal resistance 1 Ω is connected to a 23 Ω resistor. What is the pd across the 23 Ω resistor?
Show
4 answers
asked by
Peter
711 views
A camper does 7.4 x 102 J of work in lifting a pail filled with water 3.4 m vertically up a well at a constant speed.
a)What
4 answers
asked by
frell
905 views
What will be the equilibrium temperature when a 245-g block of copper at 285„aC is placed in a 145-g aluminum calorimeter cup
4 answers
asked by
lisa
3,083 views
A car of m=1200kg accelerates 5m/s to 15m/s.force=6000N.what distance did the forces act?
4 answers
asked by
Lammii
568 views
A crate of drinks of mass 20kg is place on a plane inclined at 30degree to the horizontal .if the crate slides down with a
5 answers
asked by
Anonymous
868 views
An object is placed 50cm in front of a plane mirror.
Find the distance of the image. Find the magnification of the image
4 answers
asked by
Anonymous
1,514 views
I'm having a very hard time undersating phyiscis and I don't know to answer this question:
How would you describe the motion of a
4 answers
asked by
Glex
483 views
A test tube is knocked off a tower at the top of a building that is 400 feet above the ground. (For our purposes, we will assume
5 answers
asked by
Brett
2,106 views
A 200g mass is attached to a spring and allowed to execute simple harmonic motion with a period of 0.25seconds. If the total
4 answers
asked by
Tina
1,553 views
A ball is thrown straight up from the top of a hill 30 feet high with an initial velocity of 72ft/sec. How high above level
4 answers
asked by
Help
2,255 views
What volume does a mixture of 14.2g of helium and 21.6g of hydrogen gas occupy at 28 degrees celcius and .985atm?
6 answers
asked by
jack
1,926 views
Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25 degree
4 answers
asked by
Amrit
2,378 views
3 Fig. 3.1 shows the arm of a crane when it is lifting a heavy box.
Fig. 3.1 (a) By the use of a scale diagram (not calculation)
4 answers
asked by
rida
2,961 views
a copper wire has a diameter of 1.02mm,the wire carries a constant current of 1.67A,the density of the free electrons is
4 answers
asked by
kabelo
3,793 views
if the specifc heat of iron = 0.46J/g C,how much heat is needed to warm 50g of iron from 20C to 100C
-- I do not know how to make
4 answers
asked by
sam
5,819 views
If a high-diver performs a handstand dive (falls vertically) from a platform and enters the water with a velocity of 18.98 m/s,
4 answers
asked by
Evan
1,487 views
A machine with a velocity ratio of 30 moves a load of 3000N when an effort of 200N is applied.the efficiency of the machine is
7 answers
asked by
chioma
3,486 views
calculate pressure in each foot?elephant 3200kg covers in each its feet an area equal 0.08(ms)
7 answers
asked by
like mariam
3,214 views
A thread of mercury of length 15cm is used to trap some air in a capillary tube with uniform cross sectional area and closed at
4 answers
asked by
Rilwan
13,744 views
A body travels a distance of 2m in 2s. 2.8m in next 4sec.What will be speed of body in 10th second of its journey.
4 answers
asked by
Anonymous
2,901 views
A jet plane pilot decides to accelerate horizontally. If the thrust of the engine is increased to 50 000 N at a time when the
4 answers
asked by
Melissa
2,071 views
The energy stored in a capacitor with capacitance C, having an electric potential difference ΔV, is represented by W = 1/2 C
4 answers
asked by
Cory
2,282 views
An electron and a proton are separated by 2.0 nm. (a) What is the magnitude of the force on the electron? (b) What is the net
4 answers
asked by
Jay
1,467 views
Three charged objects are located t the vertices of a right triangle. Charge A (5*10^-6) has Cartesian coordinates (0,4; Charge
4 answers
asked by
Anonymous
1,457 views
calculate the work done if a force of 10N applied at an angle of 30 0degree to the horizontal moves the body through a distance
4 answers
asked by
CEO
795 views
A spring with a tension of 200N/mm is compressed for a distance of 150mm.
Determine the Work done if the spring is compressed a
4 answers
asked by
Pearl
537 views
A uniform metre rule AB us balanced on a knife edge which is 55cm from B. If a mass of 10g is hung at P, which is 10cm from A,
9 answers
asked by
Richard
5,162 views
You must have seen actors in Hindi films jumping over huge gaps on horse backs and motor cycles. In this problem consider a
4 answers
asked by
rohit
1,278 views
It takes Ashley 8 hours to kayak 18 km up river and 18 km back down the river. if the river is flowing at 3 km/h, how fast did
4 answers
asked by
Anonymous
810 views
An applied force of 50 Newtons is used to move a 6 kilogram mass.The opposing friction force to overcome is 2 Newtons.
4 answers
asked by
Anonymous
1,057 views
A roller-coaster car is moving at 20.0 m/s along a straight horizontal track. What is its speed after climbing a 15.0 m hill?
5 answers
asked by
Roller coaster Q-6
1,802 views
You throw a ball into the air with an initial vertical velocity of 31 feet per second. The ball leaves your hand when it is 6
4 answers
asked by
Anonymous
1,487 views
30. A truck of mass 2250 kg is used to pull a 330 kg trunk out of an old quarry as shown below. There is 550 N of rolling
4 answers
asked by
Liz
1,596 views
A train is moving along a straight horizontal track. A pendulum suspended from the roof of one of the carriages of train is
4 answers
asked by
Einstine
2,337 views
A cube of ice is take from the freezer at -8.5C and placed in a 95g calorimeter aluminum cup containing 310g of water at 20degC.
4 answers
asked by
Mark
2,518 views
A chunk of silver has a heat capacity of 42.8 J for 1ºC and a mass of 181g. Calculate the specific heat of silver.
7 answers
asked by
Meg Hat
9,971 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (74)
Academic Subjects
Academic Success
Academic Support
Academics
Advanced Placement (AP) Courses
Applied Mathematics
Applied sciences
Baseball
Basic Science
Biology
Career guidance
Education
Education/Science
Educational Question
Engineering
Examinations
Experiments
Golf
High School
Homework Help
Homework Help Forum
Learning Science
Math
Math and Science
Math/Science
Mathematics
Mathematics and Science
Natural Science
Natural Sciences
Online Learning/Tutoring
Physical Science
Physical Sciences
Problem Solving
Problem-solving steps
School subjects
Science
Science & Nature
Science & Research
Science and Astronomy
Science and Education
Science and Engineering
Science and Math
Science and Mathematics
Science and Measurement
Science and Medicine
Science and Nature
Science and Riddles
Science and Technology
Science Education
Science Experiment
Science Experiments
Science Fair Project
Science Fair Projects
Science or Mathematics
Science or Natural Sciences
Science, Technology, Engineering, Mathematics (STEM)
Science/Energy
Science/Engineering
Science/experimentation
Science/Mathematics
Science/Technology
Sciences
Scientific Concepts
Scientists
Soccer
STEM
STEM (Science, Technology, Engineering, and Math)
STEM (Science, Technology, Engineering, and Mathematics)
STEM (Science, Technology, Engineering, Mathematics)
Technical Support
Technology/Science
Tennis
Test Preparation
Word Problems