Question

track
how far will it move on
1.0 m
gure 8 226
'incline? Take g = 10 m/s.
35. In a children's park, there is a slide which has a total
Figure 8-E2
32. A block of mass 100 g is moved with a speed of 50 m/s
at the highest point in a closed circular tube of radius
10 cm kept in a vertical plane. The cross-section of the
tube is such that the block just fits in it. The block
makes several oscillations inside the tube and finally
stops at the lowest point. Find the work done by the
tube on the block during the process,
*33.
33. A car weighing 1400 kg is moving at a speed of 54 km/h
up a hill when the motor stops. If it is just able to reach
the destination which is at a height of 10 m above the
point, calculate the work done against friction (negative
of the work done by the friction),
34. A small block of mass 200 g is kept at the top of a
frictionless incline which is 10 m long and 32 m high,
How much work was required (a) to lift the block from
the ground and put it at the top, (b) to slide the block
up the incline ? What will be the speed of the block when
Sit reaches the ground, if (e) it falls of the incline and
on the ground (d) it slides down the
length of 10 m and a height of 80 m (figure 8-E3),
Vertical ladder are provided to reach the top. A boy
weighing 200 N climbs up the ladder to the top of the
slide and slides down to the ground. The average friction
- Concept
38. A uniform chain of mass m and len
table with its two third part on the ta
to be done by a person to put the ha
the table.
39. A uniform chain of length L and m
horizontal table with ita two third pa
friction coefficient between the tabl
Find the work done by the friction
chain slips off the table.
40. A block of mass 1 kg is placed att
track shown in figure (8-16). If al
right, it stops at the point B of th
work done by the frictional force
transit from A to B.
drops vertically​

Answer 1

Answer:

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