Haya

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 (ie wheels) Put it under water (reduces effect of gravity) Use a tool to move it (pulleys) http://www.google.com/search?as_q=t...

18 years ago

name two devices that we use on earth, which use the same principles as space capsules. Explain for each one.

17 years ago

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 cm/s. (a)Find the tension (in N) in the string at the top of the circle. (b)Find the tension (in N) in the string at the bottom o...

8 years ago

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 momenta...

8 years ago

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 mass of the rear barge is 3.22 ✕ 10^3 kg. A tugboat pulls the front barge with a horizontal force of magnitude 34.0 ✕ 10^3 N, and th...

8 years ago

Two figure skaters are coasting in the same direction, with the leading skater moving at 4.7 m/s and the trailing skater moving at 5.7 m/s. When the trailing skater catches up with the leading skater, he picks her up without applying any horizontal forces...

8 years ago

Ernest Rutherford (the first New Zealander to be awarded the Nobel Prize in Chemistry) demonstrated that nuclei were very small and dense by scattering helium-4 nuclei (4He) from gold-197 nuclei (197Au). The energy of the incoming helium nucleus was 7.58...

8 years ago

In an elastic collision, a 300 kg bumper car collides directly from behind with a second, identical bumper car that is traveling in the same direction. The initial speed of the leading bumper car is 4.90 m/s and that of the trailing car is 6.20 m/s. Assum...

8 years ago

An alpha particle (4He) undergoes an elastic collision with a stationary protactinium nucleus (231Pa). What percent of the kinetic energy of the alpha particle is transferred to the protactinium nucleus? Assume the collision is one-dimensional.

8 years ago

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 released, it rotates around its lower end until it hits the floor. Assuming the lower end of the rod does not slip, what is the linea...

8 years ago

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 following figure). (a) What is the acceleration of the block down the plane (in m/s2)? (Enter the magnitude.) (b) What is the work...

8 years ago

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 against it with a radial force of 25.0 N. (a) Assuming the kinetic coefficient of friction between steel and stone is 0.50, calcula...

8 years ago

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 following figure). What is the torque due to gravity (in N · m) on the beam–block system about the support at the wall? (Enter the...

8 years ago

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 from rest at an angle of 60° with respect to the horizontal, what is the speed (in m/s) of the tip of the rod as it passes the...

8 years ago

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 angular velocity (in rad/s)? (Enter the magnitude.) (b) How much time elapses (in s) while it turns through the 200 radians?

8 years ago

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 momenta...

8 years ago

THANK YOU!!!

8 years ago

A helium nucleus ( charge2e mass

7 years ago

23

6 years ago

Thx helping hand 💯

5 years ago

Woow Kikii you failed me

5 years ago

23

3 years ago

write 327 between two consecutive multiples of 10

2 years ago

The answer to this problem is 33950

2 years ago