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Haya
Questions (16)
A wheel has a constant angular acceleration of 2.5 rad/s2. Starting from rest, it turns through 200 rad.
(a) What is its final
1 answer
918 views
A uniform rod of mass 2.0 kg and length 8.4 m is free to rotate about one end (see the following figure). If the rod is released
0 answers
690 views
A horizontal beam of length 4 m and mass 7.0 kg has a mass of 2.0 kg and width 0.8 m sitting at the end of the beam (see the
0 answers
1,140 views
You have a grindstone (a disk) that is 92.0 kg, has a 0.490-m radius, and is turning at 83.0 rpm, and you press a steel axe
1 answer
1,252 views
A 9 kg block on a frictionless inclined plane at 40° has a cord attached to a pulley of mass 4 kg and radius 11 cm (see the
0 answers
790 views
A uniform rod of length L and mass M is held vertically with one end resting on the floor as shown below. When the rod is
0 answers
1,410 views
An alpha particle (4He) undergoes an elastic collision with a stationary protactinium nucleus (231Pa). What percent of the
0 answers
960 views
In an elastic collision, a 300 kg bumper car collides directly from behind with a second, identical bumper car that is traveling
1 answer
3,442 views
Ernest Rutherford (the first New Zealander to be awarded the Nobel Prize in Chemistry) demonstrated that nuclei were very small
1 answer
1,693 views
Two figure skaters are coasting in the same direction, with the leading skater moving at 4.7 m/s and the trailing skater moving
2 answers
3,000 views
The two barges shown here are coupled by a cable of negligible mass. The mass of the front barge is 2.22 ✕ 10^3 kg and the
1 answer
2,373 views
After a mishap, an 82.8 kg circus performer clings to a trapeze, which is being pulled to the side by another circus artist, as
1 answer
1,363 views
A 35.0 g ball at the end of a string is swung in a vertical circle with a radius of 35.0 cm. The rotational velocity is 212.0
2 answers
793 views
Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts
1 answer
1,270 views
name two devices that we use on earth, which use the same principles as space capsules. Explain for each one.
2 answers
445 views
Describe 3 ways to make it easier to move a load up the ramp other than by making the ramp longer or less steep.
Reduce friction
0 answers
1,156 views
Answers (9)
The answer to this problem is 33950
write 327 between two consecutive multiples of 10
23
Woow Kikii you failed me
Thx helping hand 💯
23
A helium nucleus ( charge2e mass
THANK YOU!!!
After a mishap, an 82.8 kg circus performer clings to a trapeze, which is being pulled to the side by another circus artist, as shown here. (angle for T1 = 15) (angle for T2 = 10) Calculate the tension (in N) in the first rope,T1, if the person is
