Other Physics Answers

At the end of successive intervals of 2 seconds,the speed of a speedometer in km/h are 35.6,50.7,61.3,72.5,78.9,84.0,88.1,91.5

From your graph

a) calculate the distance in meters when it moves from 77 to 88km/h

A 0.014-kg string is clamped at both ends. Its linear mass density is 0.034 kg/m. Under what tension in the string will it have a fundamental frequency

A ball is moving at 18m/s in a direction inclined at 60°to the horizontal. The horizontal component of its velocity is?

A 50.0kg skater is travelling due east at a speed of 3.00 m/s. A 70.0kg skater is moving due

south at a speed of 7.00 m/s. They collide and hold on to one another after the collision,

managing to move off at an angle θ south of east with a speed vf. Find

(a) the angle θ (10 p)

(b) the speed vf, assuming that friction can be ignored. (15p)

TRUE or FALSE

1. The organic starting materials for the preparation of an ester could be water and oxygen.

2. The reaction of water with alkene to produce an alcohol is a/an addition reaction.

3. When an alcohol is dehydrated it forms alkene.

4. Short chain alkanes are prepared through Catalytic cracking.

5. Two isomeric forms of a saturated hydrocarbon have the same molecular formula.

a punter punts a football from a height of 0.89m. it takes off with a velocity of 25m/s [forward 72 up] it soars along and is caught by the opposing team 0.89 m abouve the ground what is the maximum height of the ball

Activity 8.2. Solve the following comprehensively. Box your final answers.

θ (t) = ( 5 rad/s⁴) t⁴ + ( 2 rad/s³) t³ + ( 3 rad/s²) t² + 5 rad/s

1. Find the angular acceleration of the blender at both times.

2. Suppose that a particle is stuck 4cm from the axis of rotation of the shake blender, what is the distance covered during the intervals?

A body is acted upon by two forces of magnitude 50n find the magnitude of resultant force on the body when the angle between the two forces is : a) 0 degrees b) 90 degrees c) 180 degrees

If a 5 kg object experiences a 10 N force for a duration of 0.1 s, then what is the change in momentum of the object?

Two charges are located on the positive ×-axis of a coordinate system. Charge q1 = 2.00x10-° C, and it is 0.020 m from the origin. Charge q2 =-3.00x10- C, and it is 0.040 m from the origin. What is the electric force exerted by these two charges on a third charge, q3 = 5.00x10-° C, located at the origin?