A body can be shielded from gravitational effects. a) True b) False
Q: Please state whether each is True or False; if flase, please explain why
A:
Q: 38
A: For the ohm's law V = IR The device Follow this rule is called ohmic device. Here , Only last opt...
Q: In a hand driven grinding machine, the handle is put _____________ a) Perpendicular to the stone b) ...
A: Option
Q: Internal force holds together the particles as a single object. a) True b) False
A: True
Q: Question 3) As shown in the figure, a block with a mass of 0.8kg is attached to the end of a spring ...
A:
Q: What is the Trapezoidal Rule and Simpson's Rule?
A: We’ll answer the first part of this question since due to complexity. Please submit the question aga...
Q: If there is a change of angular momentum from J to 4J in 4s, then the torque is ___________ a) (3/4)...
A: Option
Q: The earth moving around the sun in a circular orbit is acted upon by a force and hence work must be ...
A: Given: The Earth move around the sun in the circular orbit.
Q: A water balloon of mass 1000 grams is rolled on level ground with an initial velocity of 35 meters p...
A: Part-a The mass of the water ballon m = 1000 g. The initial velocity of the ballon u = 35 m/s. The ...
Q: Three particles A,B and C are projected from the same point with the same initial speed making angle...
A: Given information: All three particles are having the same initial velocity. The angle made by the p...
Q: A projectile fired from the ground follows a parabolic path. At what position will the speed of proj...
A: Option a
Q: B. A/ How m of work? B/ How mu
A: Heat Engine A heat engine is a device that is used to convert heat energy into mechanical energy. A...
Q: A mass m is moving with a constant velocity along a line parallel to the x-axis, away from the origi...
A: A
Q: A gardener pushes a lawn roller through a distance of 20m. If he applies a force of 20kg weight in a...
A: Option b
Q: A body of mass 2kg begins to slide down a plane inclined at an angle of 45° with the horizontal. The...
A: Option a correct
Q: These two waves travel along the same string: Y, = (3.80 mm) sin(2.45xx - 340xt) Y2 = (6.00 mm) sin(...
A: Given : Two waves travel along the same string : y1 =3.8 mm sin(2.45πx - 340πt)y2 =...
Q: Which of the following is also known as the law of inertia? a) Newton’s second law of motion b) Newt...
A: Option
Q: A player caught a cricket ball of mass 150g moving at a rate of 20m/s. If the ball catching process ...
A: Impulse = change in momentumF = (m(v-u))/t = -30N.
Q: A bullet is fired from the rifle. If the rifle recoils freely, then the kinetic energy of the rifle ...
A: By conservation of momentum, MV = mv or V = mv/M Kinetic energy of the rifle is Kr = 1/2MV2 = 1/2M(m...
Q: flywheel has a mass of 25kg has a radius of 0.2m. What force should be applied tangentially to the r...
A: Option b
Q: = 3.0 kg and mB = 8.0 kg are on inclines and are connected together 4. Two blocks mA by a string as ...
A: (a) Given: The masses of the two blocks are mA=3.0 kg and 8.0 kg. The coefficient of kinetic frictio...
Q: Which of the following retain their relative positions even when they move under the action of an ex...
A: Option c
Q: A hammer is resting on a plane surface. If force P is applied on the hammer along with a line not pa...
A: d option
Q: Two objects with a mass of 2kg and the other 3 kg approach each other with velocities of V1=(5m/s)i ...
A: Given that: m1=2 kgm2=3 kgv1=5 m/sv2=-4 m/s
Q: A toaster is rated at 620 W when connected to a 140 V source. What current does the toaster carry, a...
A: Here, Power = 620W Voltage = 140 V Now for the power P= VI I = P/ V I= 620/ 140 = 4.43 A Now for th...
Q: A block of mass 5 kg has a speed of 2 m/s at a height h above a spring (spring constant k = 1000 N/m...
A: Given : Mass of the block, m = 5 kg Speed of the block, v = 2 m/s Spring constant, k = 100...
Q: A ball is thrown vertically upwards with a velocity of 20m/s. At what height, will its kinetic energ...
A: Option a
Q: CHAPTER 18
A: First the total current being drawn from the battery needs to be determined, which can be done using...
Q: A bullet of mass 20g is found to pass two points 30m apart in a time interval of 4s. Calculate the k...
A: c
Q: Kinetic energy with any reference must be ___________ a) Zero b) Positive c) Negative d) Either nega...
A: B
Q: (COLLAB Gauss's Law for Mass) Journey through the Center of the Earth. A 1024.kg blue ball is droppe...
A: The acceleration due to gravity for the given planet, Here G is the universal gravitational constan...
Q: Consider a basketball player spinning a ball on the tip of a finger. If a player performs 1.99 J of ...
A: Given- Work (W) = 1.99 J Circumference ( C ) = 0.749 m Mass ( m) = 0.624 kg Basketball is spherical...
Q: A spring balance is suspended from inside an artificial satellite revolving around the earth. If a b...
A: D
Q: We can rise from a chair without bending a little forward. a) True b) False
A: B
Q: A body of mass 2kg is placed on a rough horizontal plane. The coefficient of friction between body a...
A: Option d
Q: Consider a wave described by the equation: 7(x, t) = a Cos [2«G– vt)]. (a is the amplitude of the wa...
A: A wave can be defined as a disturbance that is propagating through a medium or vacuum. This disturba...
Q: A thick spherical shell carries charge density k 2 (a b. Plot |E| as a function of r, for the case ...
A: Given, A thick spherical shell carries charge density; ρ=kr2 (a≤r≤b) To find out the electric fie...
Q: DO NOT ROUND OFF: (COLLAB Gauss's Law for Mass) Journey through the Center of the Earth. A 1024-kg b...
A: Given that:- mass of blue ball = 1024 Kg initial height = 4.3×106 m radius of planet R= 6.7×106m m...
Q: Two particles are seen to collide and move jointly together after the collision. During such a colli...
A: Option d
Q: On the application of a constant torque, a wheel is turned from rest through 400 radians in 10s. Fin...
A: D
Q: What is the ration of the force of attraction between two bodies kept in the air and the same distan...
A: C
Q: Thank you!
A: The force diagram is shown below,
Q: The moment of inertia of a uniform circular disc about its diameter is 100gcm2. What is its moment o...
A: By the theorem of parallel axes, moment of inertia about a tangent parallel to the diameter, I = Id+...
Q: Conservation of linear momentum is a combination of ___________ a) Newton’s second law and third law...
A: Option
Q: Explain the difference between macrostates (external arrangements of particles) and microstates (int...
A: Macro-states: It is the state defined by macroscopic parameter, and every particles present in macro...
Q: A weight W rests on a rough horizontal plane. If the angle of friction is θ, the least force that wi...
A: Option b
Q: While launching a rocket of mass 2×104 kg, a force of 5×105 N is applied for 20s. Calculate the velo...
A: m = 2×104kg F = 5×105N t = 20s u = 0 v = ?Impulse of force = F×t = m(v-u)5×105×20 = 2×104(v-0)v = 50...
Q: 9. A car drives to the north, but it speeds up. Which direction does its acceleration point? Explain...
A: The car is moving towards the north and speeding up. We need to find the direction of acceleration.
Q: Water enters a house from a ground pipe with an inside diameter of 0.02m at an absolute pressure of ...
A: From the continuity equation of fluid mechanics, A1v1=A2v2v1=flow speed at ground level=1.5 m/sA1=c...
Q: Two waves are generated on a string of length 5.9 m to produce a three-loop standing wave with an am...
A:
A body can be shielded from gravitational effects.
a) True
b) False
![](/static/compass_v2/shared-icons/check-mark.png)
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)