MUHAMMAD JUNAID

This page lists questions and answers that were posted by visitors named MUHAMMAD JUNAID.

Questions

The following questions were asked by visitors named MUHAMMAD JUNAID.

One study suggests that a brain concussion can occur if a person's head is subjected to an acceleration as small as 60g, where g is the acceleration of gravity. a. If the mass of the person's head is 4.5 kg, what is the magnitude of the force? (Express yo...
6 years ago
In a stunt, three people jump off a platform and fall 9.9 m onto a large air bag. A fourth person at the other end of the air bag, the "flier," is launched 19 m vertically into the air. Assume all four people have a mass of 67 kg. a. What fraction of the...
6 years ago
A blue car with mass mc = 528 kg is moving east with a speed of vc = 17 m/s and collides with a purple truck with mass mt = 1352 kg that is moving south with an unknown speed. The two collide and lock together after the collision moving at an angle of θ =...
6 years ago
An object with total mass mtotal = 15.8 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.5 kg moves up and to the left at an angle of θ1 = 18° above the –x axis with a speed of v1 = 27.6 m/s. A second piece with mass m2...
6 years ago
On a weekend archeological dig, you discover an old club-ax that consists of a symmetrical 8.3 kg stone attached to the end of a uniform 1.8 kg stick. You measure the dimensions of the club-ax as shown in the figure: the stick is 98 cm long, and the 18 cm...
6 years ago
A cyclist accelerates from rest. After 7 s, the wheels have made 2 revolutions. a. What is the angular acceleration of the wheels? b. What is the angular velocity of the wheels after 7 s?
6 years ago
A 1 m diameter wagon wheel consists of a thin rim having a mass of 6 kg and six spokes each having a mass of 1.5 kg. Determine the moment of inertia of the wagon wheel for rotation about its axis.
6 years ago
A 0.2 kg yo-yo consists of two solid disks of radius 5.5 cm joined together by a massless rod of radius 1 cm and a string wrapped around the rod. One end of the string is held fixed and is under constant tension T as the yo-yo is released. a. Find the acc...
6 years ago
Ms. Sue, If you see this answer it. "This website is not meant for cheating" Nobody would't need it if it wasn't. If you're not here to give answers leave.
6 years ago
1- Suppose a bicycle wheel is rotated about an axis through its rim and parallel to its axle. Is its moment of inertia about this axis greater than, less than, or equal to its moment of inertia about its axle? a. less than b. greater than c. equal to 2- S...
6 years ago
A 10 m beam of mass 295 kg extends over a ledge. The beam is not attached, but simply rests on the surface. A 63 kg student intends to position the beam so that he can walk to the end of it. How far from the edge of the ledge can the beam extend?
6 years ago
A balance scale has unequal arms. The scale is balanced with a m = 1.2-kg block on the left pan and a M = 1.91 kg block on the right pan (see figure). If the 1.91-kg block is removed from the right pan and the 1.2-kg block is then moved to the right pan,...
6 years ago
A thin uniform rod 98 cm long is balanced 32.6666666666667 cm from one end when an object whose mass is (2m + 2.0 grams) is at the end nearest the pivot and an object of mass m is at the opposite end (Figure a). Balance is again achieved if the object who...
6 years ago
A ladder of length L = 2.1 m and mass m = 18 kg rests on a floor with coefficient of static friction μs = 0.57. Assume the wall is frictionless. a. What is the normal force the floor exerts on the ladder? b. What is the minimum angle the ladder must make...
6 years ago

Answers

The following answers were posted by visitors named MUHAMMAD JUNAID.