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- CASE STUDY On planet Betatron, mass is measured in bloobits and length in bots. You are the Earth representative on the interplanetary commission for unit conversions and find that 1 kg = 0.23 bloobits and 1 m = 1.41 bots. Express the density of a raisin (2 103 kg/m3) in Betatron units.I need help with these questions and I need an explanation Is the answer for 8: A. -20 m/s/s B. 3.33 m/s/s C. -6.7 m/s/s D. 20 m/s/s Is the answer for 6: A. 8 m/s B. 40 m/s C. 20 m/s532 mm' (5.32x 10" m] (a) 1130 g em (1.13x 10* kg m³] 1.013 Mg cm's [1.013 x 10' kg m' s²] (b) (c) O WhatsApp Fahira Skb: tq e The initial velocity of particle is 5.0 x10" ms in the positive O,- direction. After 2.0 s, the increaIse in its velocity is 2.3x10" mSin the positive O, direction. Calculate the magnitude and direction of the velocity of the particle after 2.0 s. [8.85 x 10° ms", 55.59 above positive x-axis] 10. П. (а) A piece of metal measure 2mm x 5 cm x 1.5 m and its mass is 1.35 kg. Calculate the density of metal in kg m'. [9.0x 10 kg m) (b) The speed limit on the highway is 110 km h". What is the speed limit in ms' [30.6 m s'] ii. m min' (1833 m min"] i. A force of 200 N makes an angle of 0 with the horizontal and it has a magnitude of 60 N in the y-component. Find the magnitude of horizontal component.[191 N] 12. (a) A tricycle pulls a cart with a force of 100 N. The cable connecting the cart to tricycle makes an angle of 50° to the horizontal surface. Find the (b) i.…
- If you have a ball with a mass of 6.00kg, that has an initial velocity of vA=(2.00i + 5.00j)m/s and a final velocity of vB=(-2.00i + 8.00j)m/s, What is the change in velocity in unit vector format? a. -4.00i + 3.00j b. -2.83i + 3.61j c. 4.00i – 3.00j d. 0.00i + 13.0j1. a bullet of mass = 5.00 g = 0.005 kg v = 300 m/s b 50.0 kg at 9.00 m/s c mass = 1.00 x 10³ kg moving at 20.0 m/s Find the kinetic energies. Ans. a. 225 J b. 2.02 x 10³ J c. 2.00 x 105 JA 15g bullet is fired horizontally into a 3 kg block of wood suspended by a long cord. The bullet sticks in the block. Compute the speed of the bullet if the impact causes the block to swing 10cm above its initial level. A. 0.254 km/s B. 0.252 km/ C. 0.281 km/s D. 0.218 km/s
- I need help with these questions and I need an explanation Is the answer for 4: A. -0.50 m/s B. 0.25 m/s C. 0 m/s Is the answer for 5: A. -0.25 m/s B. -0.5 m/s C. 1.0 m/sPhysical quantities are classified as either vectors or scalars. Classify the following terms as either vectors or scalars: Force ii. Mass iii. Temperature iv. Velocity v. Momentum vi. Time2. A mass of 4 kg is dropped with a velocity of 5 m/s. a. Find an expression for the velocity of an object if the force due to air resistance is 60v. b. Find the limiting velocity for the object.
- e 7.2××10-3 kg⋅m/skg⋅m/s. Express this quantity as provided or use any equivalent unit. (Note: 1 kgkg = 1000 gg).An object has a kinetic energy of 230J and a linear momentum of magnitude 43 kg m/s. Find the mass of the object (in kg). a. 2 b. 3 c. 2 314At what speed must a particle move in order to double its mass? a. 2.6x108 m/s b. 2.8x108 m/s c. 2.7x108 m/s d. 2.9x108 m/s