Part 1
An object moves at a constant speed along a circular path in a horizontal XY plane. With the center at the origin. When the object is at x=−2m, its velocity is −(4m/s)j ^. What is the object’s acceleration when it is y=2m:
29
Oct
An object moves at a constant speed along a circular path in a horizontal XY plane. With the center at the origin. When the object is at x=−2m, its velocity is −(4m/s)j ^. What is the object’s acceleration when it is y=2m: An object moves at a constant speed along a circular path in a [...]
What is the ratio of angular speeds of the minute hand second hand of a clock ?
29
Oct
What is the ratio of angular speeds of the minute hand second hand of a clock ? What is the ratio of angular speeds of the minute hand second hand of a clock ? October 29, 2020 Category: Chapter 7 - Circular Motion , MTG NEET Physics , Part 1 ,
If the length of the second’s hand in a stop clock is 3 cm the angular velocity and linear velocity of the tip is
29
Oct
If the length of the second’s hand in a stop clock is 3 cm the angular velocity and linear velocity of the tip is If the length of the second's hand in a stop clock is 3 cm the angular velocity and linear velocity of the tip is October 29, 2020 Category: Chapter 7 - [...]
A stone, tied at the end of a string 80 cm long, is whirled in a horizontal circle with a constant speed. If the stone makes 25 revolutions in 14 sec, what is the magnitude of acceleration of the stone.
29
Oct
A stone, tied at the end of a string 80 cm long, is whirled in a horizontal circle with a constant speed. If the stone makes 25 revolutions in 14 sec, what is the magnitude of acceleration of the stone. A stone is whirled in a horizontal circle with a constant speed. If the stone [...]
Two particles having mass M and m are moving in a circular path having radius R and r. If their time period are same, then the ratio of their angular velocity will be :
29
Oct
Two particles having mass M and m are moving in a circular path having radius R and r. If their time period are same, then the ratio of their angular velocity will be : then the ratio of their angular velocity will be : Two particles having mass M and m are moving in a [...]
Two masses m1 = 1kg and m2 = 2kg are connected by a light inextensible string and suspended by means of a weightless pulley as shown in the figure. Assuming that both the masses start from rest, the distance travelled by the centre of mass in two seconds is (Takeg=10ms^−2.
29
Oct
Two masses m1 = 1kg and m2 = 2kg are connected by a light inextensible string and suspended by means of a weightless pulley as shown in the figure. Assuming that both the masses start from rest, the distance travelled by the centre of mass in two seconds is (Takeg=10ms^−2. the distance travelled by the [...]
A cheetah, weighing 150 kg, chases a deer, weighing 30 kg, in a straight path. The speed of the cheetah is 20 m/s and that of the deer is 25 m/s. The approximate speed of the centre of mass of the pair is
29
Oct
A cheetah, weighing 150 kg, chases a deer, weighing 30 kg, in a straight path. The speed of the cheetah is 20 m/s and that of the deer is 25 m/s. The approximate speed of the centre of mass of the pair is A cheetah chases a deer in a straight path. The speed of [...]
Center of mass of 3 particle 10 kg, 20 kg and 30 kg is at (0,0,0,). Where should a particle of mass 40 kg be placed so that the combination centre of mass will be at (3,3,3) ?
29
Oct
Center of mass of 3 particle 10 kg, 20 kg and 30 kg is at (0,0,0,). Where should a particle of mass 40 kg be placed so that the combination centre of mass will be at (3,3,3) ? ). Where should a particle of mass 40 kg be placed so that the combination centre of [...]
An inverted T-shaped object is placed on a smooth horizontal floor as shown in figure. A force F is applied on the system as shown in figure. The value of x so that the system performs pure translational motion is
29
Oct
An inverted T-shaped object is placed on a smooth horizontal floor as shown in figure. A force F is applied on the system as shown in figure. The value of x so that the system performs pure translational motion is Two masses of 6 and 2 units are at position (6i - 7j) and (2i [...]
A machinist starts with three identical square plates but cuts one corner from one of them, two corners from the second and three corners from the third. Rank the three according to the x-coordinate of their centre of mass, from smallest to largest
29
Oct
A machinist starts with three identical square plates but cuts one corner from one of them, two corners from the second and three corners from the third. Rank the three according to the x-coordinate of their centre of mass, from smallest to largest A machinist starts with three identical square plates but cuts one corner [...]