please answer the both parts thanks! 1.A boy pushes his little sister of mass 35kg, across the smooth ice(u-0) with a force of40n. If he pushes her for 6m and she started from rest, what is her final vclocity?(v 3.7m/s)2. The brother in problem 1 stops pushing when the little sister hits a rough patch of ice(u=3). The girl slides to a stop. How far did she slide ? (d-2.3m)

Name: please answer the both parts thanks! 1.A boy pushes his little sister
Uploaded: 2024-03-20T06:56:46.000Z
Channel: Bartleby
Description: please answer the both parts thanks! 1.A boy pushes his little sister of mass 35kg, across the smooth ice(u-0) with a force of40n. If he pushes her for 6m and she started from rest, what is her final vclocity?(v 3.7m/s)2. The brother in problem 1 sto

Answered: Image /qna-images/answer/ed565c82-c105-4b84-a271-de6c4d166b49.jpg

Science

Physics

1A boy pushes his little sister of mass 35kg, across the smooth ice(u-0) with a force of 40n. If he pushes her for 6m and she started from rest, what is her final velocity? (v 3.7m/s) 2. The brother in problem 1 stops pushing when the little sister hits a rough patch of ice (u=3). The girl slides to a stop. How far did she slide ? (d-2.3m)

1A boy pushes his little sister of mass 35kg, across the smooth ice(u-0) with a force of 40n. If he pushes her for 6m and she started from rest, what is her final velocity? (v 3.7m/s) 2. The brother in problem 1 stops pushing when the little sister hits a rough patch of ice (u=3). The girl slides to a stop. How far did she slide ? (d-2.3m)

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 78PQ

See similar textbooks

Related questions

Q: A power of 100 kW (105 W) is delivered to the other side of a city by a pair of power lines, between…

A: (a) Write the expression for the power delivered, and solve for the current in the lines.

Q: A transformer has 320,000 turns on it's primary coil and 400 turns on its secondary coil. If 110V…

Q: Name the force between two protons or two electrons.

A: Charged particle can exert force on each other

Q: Q4. Convert these into proper vector notation: Westward velocity of 42 km/h. Position 6.5 measured…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A transformer has an input of 21 V and an output of 44 V. If the input is changed to 74 V, what the…

A: In first case: Input of 21 V Output of 44 V In second case: Input of 74 V Output =? In both…

Q: A transformer has an input of 17 V and an output of 46 V. If the input is changed to 76 V, what the…

Q: A transformer has an input of 21 V and an output of 50 V. If the input is changed to 85 V, what the…

Q: Is it true that a computer consists of a lot of different parts but that it still needs electricity…

A: Yes, it is true that a computer consists of a lot of different parts, including hardware components…

Q: How much does it cost to power a refrigerator for 30 days if it is rated at 200 Watts and the power…

A: Electrical energy (E) use equals the power (P) of the object multiplied by the amount of time (t)…

Q: (1) If the input voltage is 480 v and the voltage drop is 1.75, what is the output voltage? (2) If…

A: (a) The input voltage or EMF offered, E=480 V potential drop ,v'=1.75 V then, the output voltage ,…

Q: How much does it cost to operate a 80-WW lamp continuously for a week if the power utility rate is…

A: Given: The wattage of bulb = 80 W. Power utility rate = 25 cents/kWh.

Q: model electric train requires 15 volts to operate. When it is connected to a 123 volt circuit, a…

Q: A transformer has an input of 80 V and an output of 55 V. If the input is changed to 74 V, what the…

A: The initial input of the transformer is Vi = 80 V. The initial output of the transformer is Vo = 55…

Q: the question says it the speed is going 76% of vmax please fix the c part

A: Given as per previous question: Mass m=1213kgm=1213kg Radius…

Q: a. At what time(s) does the car come to a rest? b. During what interval(s) of time is the car moving…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Calculate the current in a 48-V battery that powers a pair of 30 2 resistors connected in parallel.

A: Answer Given Number of resistors in parallel = 2 Voltage across the battery V = 48 V Resistance R =…

Q: The Federal Electricity Commission charges electricity at $0.801 for each kWh consumed at its basic…

A: Given:household appliances are listed along with power consumptionand time of usagerate of…

Q: You measure that 0.13 A of electric current is flowing in a circuit, and you find that the total…

Q: Explain the meaning of the statement 'current rating of a fuse is 5 A.

A: The electric fuse used in circuit to break the circuit when current from certain limit exceeds.

Q: What about the checking the units ?

A: We need to check all the terms in the expression of FN are in same unit system or not.

Concept explainers

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!

Topic Video

Question

please answer the both parts thanks!

1.A boy pushes his little sister of mass 35kg, across the smooth ice(u-0) with a force of
40n. If he pushes her for 6m and she started from rest, what is her final vclocity?
(v 3.7m/s)
2. The brother in problem 1 stops pushing when the little sister hits a rough patch of ice
(u=3). The girl slides to a stop. How far did she slide ? (d-2.3m)

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A ski jumper starts from rest 50.0 m above the ground on a frictionless track and flies off the track at an angle of 45.0 above the horizontal and at a height of 10.0 m above the level ground. Neglect air resistance, (a) What is her speed when she leaves the track? (b) What is the maximum altitude she attains after leaving the track? (c) Where does she land relative to the end of the track?
A girl, moving at 8 m/s on in-line skates, is overtaking a boy moving at 5 m/s as they both skate on a straight path. The boy losses a ball backward toward the girl, giving it speed 12 m/s relative to him. What is the speed of the ball relative to the girl, who catches it? (a) (8 + 5 + 12) m/s (b) (8 - 5 - 12) m/s (c) (8 + 5 - 12) m/s (d) (8 5 + 12) m/s (e) (8 + 5 + 12) m/s
Two objects are connected by a light string that passes over a friction less pulley as shown in Figure P5.42. Assume the incline is frictionless and take m1 = 2.00 kg. m2 = 6.00 kg, and =55.0. (a) Draw free-body diagrams of both objects. Kind (b) the magnitude of the acceleration of the objects, (c) the tension in the string, and (d) the speed of each object 2.00 s after it is released from rest.
A student at the top of a building of height h throws one ball upward with a speed of i and then throws a second ball downward with the same initial speed i. Just before it reaches the ground, is the final speed of the ball thrown upward (a) larger, (b) smaller, or (c) the same in magnitude, compared with the final speed of the ball thrown downward?
Towns A and B in Figure P4.64 are 80.0 km apart. A couple arranges to drive from town A and meet a couple driving from town B at the lake, L. The two couples leave simultaneously and drive for 2.50 h in the directions shown. Car 1 has a speed of 90.0 km/h. If the cars arrive simultaneously at the lake, what is the speed of car 2?
A 0.400-kg pendulum bob passes through the lowest part of its path at a speed of 3.00 m/s. (a) What is the tension in the pendulum cable at this point if the pendulum is 80.0 cm long? (b) When the pendulum reaches its highest point, what angle does the cable make with the vertical? (c) What is the tension in the pendulum cable when the pendulum reaches its highest point?
A Nordic jumper goes off a ski jump at an angle of 10.0 below the horizontal, traveling 108 m horizontally and 55.0 m vertically before landing. (a) Ignoring friction and aerodynamic effects. calculate the speed needed by the skier on leaving the ramp. (b) Olympic Nordic jumpers can make such jumps with a jump speed of 23.0 m/s, which is considerably less than the answer found in pan (a). Explain how that is possible
In 1898, the world land speed record was set by Gaston Chasseloup-Laubat driving a car named Jeantaud. His speed was 39.24 mph (62.78 km/h), much lower than the limit on our interstate highways today. Repeat the calculations of Example 2.7 (acceleration for first 6 miles, time of timed mile, acceleration for last 6 miles) for the Jeantaud car. Compare the results of the ThrustSSC to Jeantaud.
A catapult launches a large stone from ground level at a speed of 45.0 m/s at an angle of 55.0 with the horizontal. The stone returns to ground level shortly thereafter, (a) How long is it in the air? (b) What maximum height does the stone reach? (Neglect, air friction.) (See Section 3.4.)
Speed is a(n) ___ quantity. (2.2)
A toy cannon uses a spring to project a 5.30-g soft rubber ball. The spring is originally compressed by 5.00 cm and has a force constant of 8.00 N/m. When the cannon is fired, the ball moves 15.0 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.032 0 N on the ball. (a) With what speed does the projectile leave the barrel of the cannon? (b) At what point does the hall have maximum speed? (c) What is this maximum speed?
Review. A 3.00-kg block starts from rest at the top of a 30.0 incline and slides a distance of 2.00 m down the incline in 1.50 s. Find (a) the magnitude of the acceleration of the block, (b) the coefficient of kinetic friction between block and plane, (c) the friction force acting on the block, and (d) the speed of the block after it has slid 2.00 m.