12:1.5 Quiz: Homework Chapter 4 Quiz: Homework Chapter 4 GOALS

Q: linda is a skier with a weight of 706 N.  Her skis have a mass of 6 kg.  What is the combined weight…

A: The expression for the combined weight is,

Q: What is the use of a lightning rod? ri

A: Lighting rod: It is the metal rod mounted on the building, that is intercept the atmospheric…

Q: If C is added to B. the result is -9å + 5ĵ. If B is subtracted from C. the result is 4î – ĵ . Find…

A: C→ + B→ = -9i^ + 5j^    ...(1)C→ - B→ = 4i^ -j^    ...(2)

Q: Can someone look at the options again. Please select all of the correct answers.

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Q: if A=-2i+3j-4k C=-2j+4i find (A+C).(AXC)

A: A = -2 i + 3 j - 4 k  C = - 2 j + 4 i

Q: D- S = L 2L

A: Write the given values of this problem. S=LD-d2L

Q: Newtons to kg K= 587 9.81mls

A: Given data The value in newton is given as W = 587 N.   let the mass of the body in kg be 'm' so,…

Q: Starting from one oasis, a camel walks 25 km in a direction 30° south of west and then walks 30 km…

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Q: A runaway train car that has a mass of 1.53e+4 kg travels at a speed of 6.32 m/s down a track.…

A: Given data The car's mass is m = 1.53 x 104 kg The speed of the car travelling is u = 6.32 m/s The…

Q: E= 8.5x10 N/C 3. A= 2.3x10 m2 e= 45° DE=

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Q: A cannon is placed on a movable cart (total mass = 50 kg) which can slide on a frictionless surface.…

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Q: has a magnitude of 149. Which of the following could not

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Q: Juan moves an object that has 245g by applying a force of 1.8N.  What is the coefficient of…

A: Given that: Force on object = 1.8 N Weight of object of mass = 245 g = 0.245g here, gravity, g = 9.8…

Q: You are walking on a bearing of 32 degrees. You turn right 115 degrees and continue walking forward.…

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Q: A force of 125 N has a rectangular component of 65 N acting along a line making an angle of 20 deg…

A: Magnitude of force = 125 N One of the rectangular component of force = 65 N alonga line making an…

Q: b) Draw direction vectors in unit cells for the following cubic directions: i) (241) ii) (3 I 3)…

A: i For 2  4  1 the intercepts is  a  b  c=12  -14  -1 ii For 3  1  3 the intercepts is  a  b  c=13…

Q: Ben, from his house, went to the barbershop to have his hair done. The barbershop is 5 km West from…

A: Distance moved by Ben from his home to barbershop = 5 km  The direction of barbershop = west of…

Q: Two blocks are side by side. The larger is 12kg (on the left), while the smaller is 5kg (on the…

A: Since the two blocks are placed side by side, they will experience the same acceleration when the…

Q: 23: Find the centroid of the next shaded area.

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Q: A car travels North with a speed of 30 kph and then turns to west at a speed of 15kph. What is the…

A: Given that:- Initial velocity of car=30kph along North

Q: Question 3 and 4

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Q: How do you go about part (a) and (b)?

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Q: find the answer for number c

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Q: Q.2. Find the magnitude of the resultant force and its direction, measured counter clockwise from…

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Q: What is the mass of the object . When the weight of the object is 1200 N ?

A: Given  Weight of the object is 1200 N  Mass of object is ,M =?

Q: The magnitude of the component force F is * 250 Ib -450~ 30

A: Solution

Q: 37. a. Find the bearing from O to A. (See Example 5) -12° b. Find the bearing from O to B. 195° c.…

A: Bearing O to A Bearing is basically angle measured in a clockwise direction from north line .

Q: Find the mass in kilograms of the following objects. A coral colony of 3200 individuals each…

A: Given : Number of individuals = 3200  Mass of each individual = 0.45 g = 0.45 × 10-3 kg

Q: A car of mass 1371 kg accelerates from rest to 16.9 m/s in 5.17 s. How much force was required to do…

A: Given:- m=1371 Kg t= 5.17 s u= initial velocity= 0 m/s v= final velocity= 16.9 m/s Lets find the…

Q: 3V. - A=C>B>D A>B>C>D D>B>A=C B>A>D>C B>D>A>C A=B=C=D 3V 8 67 6

A: According to the circuit, Let the resistance of each bulb will be R. For AB, The three bulbs and two…

Q: A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. The car has more…

A: In the given question  Mass of the truck (M) = 20ton Mass of the car (m)  = 1500lb Both the vehicle…

Q: Two students pulls an object in the same direction south. They exert an effort of 25N and 35N.…

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Q: From the point of view of physics, is there a basis to the law banning the use of cell phone while…

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Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: A 5.4 kg ball with a diameter of 11 cm is dropped form an airplane at an altitude of 9 km above the…

A: Given: Mass of ball m = 5.4 kg Diameter of ball d = 11 cm = 0.11 m Altitude from where the ball is…

Q: A peach and apricot are placed on a balance. Together they have a combined mass of 175.4 grams. If…

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Q: A car drives 100km East and then 80.0 km North. What is the displacement of the car?

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Q: If only one answer is correct, would it be A or C? Or could both be correct? Please explain.

A: As the roads are banked , there is larger normal force on the vehicle and hence friction(=uN)  is…

Q: distance r from a

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Q: you place a 5.000 g weight on the scale and the balance reads that the weight is 5.983 g. what is…

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